Multiple Choice Questions and Answers on Semiconductor Theory. The potentiometer makes use of null or balanced condition for the purpose of measurement. WIRELESS SENSOR NETWORKS 1 CHAPTER 1: INTRODUCTION 1>MEMS stands for_____ 2>A sensor network is subject to a unique set of resource constraints such as a: finite on-board battery power b: limited network communication bandwidth Ans: _____ (a/b/both) 3>In a typical sensor network, each sensor … Explanation:- Ques.8. The potential difference across a length of the potentiometer wire is directly proportional to its Length (or) when a steady current is passed through a uniform wire, potential drop per unit length or potential gradient is constant. The potential difference across a length of the potentiometer wire is directly proportional to its Length (or) when a steady current is passed through a uniform wire, potential drop per unit length or potential gradient is constant. It consists of a hot wire of platinum-iridium (because it can withstand high temperatures of about 300°C without being oxidized), and about 0.2 mm in diameter. The deflecting torque works on the moving system which the pointer is attached. Ish = shunt current MCQ in Fiber Optics Communications Part 1 as part of the Communications Engineering (EST) Board Exam. Two soap bubbles have radii in the ratio of 4:3. A push or pull on an object is called _____ (a) Force (b) Pressure (c) Density (d) None of these 2. Putting a large resistance in series with the actual measuring part of the instrument. a = m . Signal processing elements:- Signal processing elements exist to improve the quality of the output of a measurement system in some way. 2-Which of the following form the basis of Electrical domain? Other types of signal processing element are those that filter out induced noise and remove mean levels, etc. Robotics multiple choice questions and answers on Robotics MCQ questions quiz on Robotics objective questions with answer Page 2 info[at]objectivequiz[dot]com Login Integrating Instruments: 19-Following acts as detector in Optical sensor, 1-(B), 2-(D), 3-(D), 4-(B), 5-(D), 6-(B), 7-(A), 8-(C), 9-(D), 10-(A), 11-(C), 12-(D), 13-(B), 14-(C), 15-(C), 16-(D), 17-(B), 18-(A), 19-(B), Your email address will not be published. Answer.3. This is used to amplify low-amplitude outputs from the primary transducer or variable conversion element, thus improving the sensitivity and resolution of the measurement. Thus, for the measurement of large current and voltage values, it is necessary to employ a device which reduces the current and voltage of the instrument by a known proportion. Hence the transducer will just convert the energy from one form to another and all the remaining work is done by the additional … A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage. In such instruments, there are sets of dials or gears which register the total quantity of electricity or the total amount of electrical energy supplied to a circuit in a given period. The secondary instruments may be classified as. For example, amplification is needed for thermocouples, which have a typical output of only a few millivolts. This causes the current that is to be measured to divide, a small part flowing through the coil and the remainder passing through the shunt resistor. An ammeter measures the value of current flowing in the circuit, so current should flow inside ammeter to give proper result. 5-The following main dynamic characteristic(s) is usually considered in Mechatronics application of sensors. If the displacement is measured with strain gauge then the number of strain gauge normally required are A. Chemical Effect Multiple Choice Questions and Answers on Semiconductor Theory. Controlling torque is also known as restoring torque i.e., it brings back the pointer to its zero position when deflecting torque is withdrawn. 17-Following type of sensors are used to generate information in object grasping and obstacle avoidance. (A) Hall Effect sensor Vr- Voltage range you required to measure (KNOWN VALUE), If– Current required to full-scale deflection of your Ammeter (KNOWN VALUE), Ra- Internal Resistance of Ammeter (Ideally Ra=0). Shunts are small resistances connected in parallel to increase the range of an ammeter. Household energy meter is an integrating instrument. This is especially undesirable if the number of readings to be taken is quite large. A shunt resistor is then used whose resistance is practically constant over the operating temperature range; this guarantees a constant ratio between the coil resistance and the shunt resistance. it acts like a closed switch so it indicates the current. The instruments which add up the electrical quantity, i.e electrical energy and measure the total energy (in kilowatt hours) or the total Amper hours (in ampere-hours) supplied to a circuit in a given period are called integrating instruments. aspects of the hearing process, the physics of the ear. Platinium-iridium Variable conversion elements:- They are needed where the output variable of a primary transducer is in an inconvenient form and has to be converted to a more convenient form. The Following Section consists Multiple Choice Questions on Logic Gates. Instrumentation Interview Questions Instrumentation MCQ Multiple Choice Questions. It is important that the measurement system is designed properly such that the output from measurement sensors is of an appropriate amplitude and is as free from noise contamination as possible. it acts like a, Putting a large resistance in parallel with the actual measuring part of the instrument, Putting a large resistance in series with the actual measuring part of the instrument, Simply installing the instrument in parallel with the circuit. Hence it is used in series. Multiple Choice Questions have been coming in Class 10 Physics exams, thus do MCQs to test understanding of important topics in the chapters. No calibration of the instrument is thus necessary. Spring control and gravity control are used for controlling torque. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. Answer.3. Rome (Headquarter) Via delle Quattro Fontane, 33 00184 Rome (RM) – Italy P.IVA - VAT: 05312981003 +39.06.4824033 info@mcqinst.com Mon – Fri: 9:00 – 18:00 Sensors are characterized depending on the value of some of the parameters. If no extra force is provided to damp these oscillations, the moving system will take considerable time before coming to settle to the final deflected position. The range of voltmeters, ammeters, etc., is limited by the current carrying capacity of the control springs, high measuring parameters, etc. Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer. Secondary instruments:- Secondary instruments are so constructed that the value of current, voltage or other quantity to be measured can be determined from the malefaction of the instruments, only if the latter has been calibrated by comparison with either an absolute instrument or one which has already been calibrated. The electronic amplifier is a very common type of signal processing element. Explain the linearity of a transducer. For multi-range ammeters, the moving coil remaining same; separate shunts are used to increase the range of measurement of a single instrument. Comprehensive and up-to-date question bank of mutiple choice objective practice questions and answers on Physics for Competitive Exams. Which of the following material will be preferred as a shunt for extending the range of measurement of a voltmeter. 1. Primary Sensors:- The first element in any measuring system is the primary sensor: this gives an output that is a function of the measurand (the input applied to it). Rs- Resistance Should be Connected in Series with your existing Ammeter=? Basically, there are three types of Force or torque act upon the Measuring Instrument Two C. Three D. Four ... B. Diaphragm sensors C. Bourdon tube D. Resonant wire device View Answer / Hide Answer. 8-It is the time required to come to an output value within the specified error level. 4-The following is not a static performance parameter to be looked into before selecting a parameter. As long as possible The pointer attains a steady position when controlling torque becomes numerically equal to deflecting torque i.e., Tc = Td. Show Explanation This quiz contains practice questions for Measurement Of Physical Quantities (O Level).There are explanations for some of the questions after you submit the quiz. Induced voltage by the applied magnetic field C. Movement of charge carriers towards one end D. All of the above The wire from which the coil is made is nearly always copper; unfortunately, the resistance of a copper coil varies appreciably with temperature. Download the largest collection of free MCQs on Physics for Competitive Exams. Show Explanation A measuring system exists to provide information about the physical value of some variable being measured. Electromagnetic effect What should be the size of the slide wire of the potentiometer to make it to achieve high accuracy? Try the following multiple choice questions to test your knowledge of this chapter. Signal recording Top 100 Sensors & Transducers Questions and Answers for Freshers : interview questions and answers for instrumentation and control engineering. Now a day computer is one of the most important field for every examinations. Thermal effect However, in more complex measurement situations, a measuring system consists of several separate elements as shown in Figure. Variable conversion elements:- They are needed where the output variable of a primary transducer is in an inconvenient form and has to be converted to a more convenient form. For instance, the displacement-measuring strain gauge has an output in the form of a varying resistance. The current range of a DC moving coil ammeter is extended by connecting a shunt resistance Rs (low resistance) across the coil, the circuit as shown in Figure, I = Total current = 5A In Hall effect, the output voltage produced across the crystal is due to. Errors in Measurement MCQs with Answers. So In the case of longer wire, the fall of potential per unit length is small. They generally make use of a dial and a pointer for this purpose. What is the value of current (in A) flowing through the galvanometer, if the total current in the circuit is 5 A? 1-Which of the following is not covered under Mechanical energy domain? The strength of a force is usually expressed by its _____ (a) Pressure (b) Density (c) Magnitude (d) None of these 3. Title: Slide 1 Which of the following is not an integrating instrument? Your email address will not be published. Voltmeter c) Null and deflection methods d) Input – Output configuration For example, the tangent galvanometer gives the value of the current to be measured in terms of the tangent of the angle of deflection produced by the current, the radius and the number of turns of galvanometer coil, and the horizontal component of the earth’s magnetic fierce. Obviously, the magnitude of deflecting torque produced is proportional to the magnitude of the quantity being measured, say, the current I flowing through the instrument. Which of the following is its kinetic energy in the first excited state? Sensor is assumed to have a constant gain (linear approximation). Example: The example of such an instrument is Recording voltmeters which are used in power stations to record the generated voltage. Damping Torque The measurement sensor includes The electrical aspects of information transfer will be discussed in section 6. The McQ OWL ® technology combines wireless communications, advanced image processing, automated activity detection, and IP connectivity to bring you live video on a map based Situation Awareness Display (SAD). Ampere-hour and watt-hour (energy) meters are examples of this category. utting a large resistance in series with the actual measuring part of the instrument. Solid State Detectors and Electronics – Sensor Physics I Helmuth Spieler TRIUMF Summer Institute 2007 LBNL Intrinsic Resolution of Semiconductor Detectors FWHM 2.35 i Q 2.35 i 2.35 i i E E FN F FEE E = ˝ = ˝ = Si: Ei = 3.6 eV F = 0.1 Ge: Ei = 2.9 eV F = 0.1 Detectors with good efficiency for this Manganin is the usual alloy used for shunts because this material has a negligible temperature coefficient at the temperatures involved. Primary Sensors:- The first element in any measuring system is the primary sensor: this gives an output that is a function of the measurand (the input applied to it). Spring control and gravity control are used for controlling torque. Difference between successive tests under identical conditions. So In the case of longer wire, the fall of potential per unit length is small. 10-Following is not an example of transducer. It is equal to the – product of mass m and centripetal acceleration ad, i.e. Passive: Does sensor draw energy from the signal ? In the above given example of thermocouple. ... Sensor Technology. Signal processing elements:- Signal processing elements exist to improve the quality of the output of a measurement system in some way. As the deflection of the pointer increases, the controlling torque also increases and stops the pointer at the measured value. Ques.10. In some devices, signal processing is incorporated into a transducer, which is then known as a transmitter. In simple cases, the system can consist of only a single unit that gives an output reading or signal according to the magnitude of the unknown variable applied to it. Electrical signal into non electrical quantity B. E ∝ L ⇒ E = φL Questions :- 1. Integrating instruments record totalized events over a specified period of time. Physics MCQ Mock Test Chapter-6 - JOBS AND EXAMS. Signal processing Take the Quiz and improve your overall Engineering. The range is the maximum value of the measured that can be measured by a given meter. 1. Top Bio Instrumentation Objective Questions, Important Objective Questions On Productivity, Instrumentation and Control Engineering Objective Test 2, Instrumentation and Control Engineering Objective Test 1. Primary Sensors:- The first element in any measuring system is the primary sensor: this gives an output that is a function of the measurand (the input applied to it). measure current in amperes. This known voltage is supplied by a standard cell or through a reference source. This is used to amplify low-amplitude outputs from the primary transducer or variable conversion element, thus improving the sensitivity and resolution of the measurement. Answer.1. This is especially undesirable if the number of readings to be taken is quite large. Posted on April 6, 2018 by makoxmcqs. ANSWER: A. Monometers . Damping Torque: At the final deflected position, when the deflecting and controlling torques are equal, the pointer starts oscillating owing to its inertia and therefore, cannot immediately settle at its final deflected position. Deflecting Torque: In order to move the pointer from its zero position on the scale deflecting torque is required. An ammeter is converted into voltmeter by putting a large resistance in series with the actual measuring part of the instrument. The total energy of the electron in the hydrogen atom in the ground state is -13.6 eV. Learn About Sensors & Transducers Objective Question. So dear reader I have provided top expected gk questions from input and output device of computer. However, in general, the primary sensor is only part of a measurement system. 3-The sensors are classified on the basis of. II-Characteristics of different types of sensors a) Active vs. Household energy meter is an integrating instrument. 18-Inductive proximity sensors can be effective only when the objects are of _____ materials. Class 11th Physics | MCQs based on Errors in Measurement. In simple cases, the system can consist of only a single unit that gives an output reading or signal according to the magnitude of the unknown variable applied to it. For instance, the displacement-measuring strain gauge has an output in the form of a varying resistance. In a broad sense, analog instruments may be classified into two ways: Absolute instruments:- Absolute instruments give the value of the electrical quantity to be measured in terms of the constants of the instruments and to its deflection, no comparison with another instrument being required. : The McQ RANGER ® is a low cost sensor system using seismic, acoustic and magnetic to detect people, vehicles and aircraft. Some examples of primary sensors are a liquid-in-glass thermometer, a thermocouple, and a strain gauge. Is connected in parallel in a circuit and only part of the current to the measured flows through it. 7-It is the ability of the sensor to indicate the same output over a period of time for a constant input. Multiple Choice Questions and Answers By Sasmita January 9, 2020. 171 . comes into action. Controlling torque is also known as restoring torque i.e., it brings back the pointer to its zero position when deflecting torque is withdrawn. Electrostatic effect Controlling Torque Example: The example of such an instrument is Recording voltmeters which are used in power stations to record the generated voltage. The summation, which they give, is the product of time and an electrical quantity. Ques.3. Function of transducer is to convert A. Fd = m . A deflecting torque is required to overcome the inertia, damping effect and controlling effect of the moving system. A resistance of 75 Ohms is connected in shunt of a galvanometer, having an internal resistance of 25 Ohms, to convert it into an ammeter. The instruments which add up the electrical quantity, i.e electrical energy and measure the total energy (in kilowatt hours) or the total Amper hours (in ampere-hours) supplied to a circuit in a given period are called integrating instruments. The deflecting torque works on the moving system which the pointer is attached. Answer.4. The variation of the quantity being measured is recorded by a pen Attache to the moving system of the instrument; the moving system is operated by the quantity being measured on a sheet of paper that moves perpendicular to the movement of the pen. Vr=(Rs×If)Vr=(Rs×If) (We know that Ra=0 ), Ques.7. A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage. MULTIPLE CHOICE QUESTIONS WITH ANSWERS ON WIRELESS SENSOR NETWORKS 1. Show Explanation Explanation:- Also explore over 27 similar quizzes in this category. Deflecting Torque: In order to move the pointer from its zero position on the scale deflecting torque is required. This activity contains 10 questions. Obviously, the magnitude of deflecting torque produced is proportional to the magnitude of the quantity being measured, say, the current I flowing through the instrument. 181 . 13-A piezo-electrical crystal generates voltage when subjected to ____ force. 15-‘Any radiation of appropriate wavelength fall on the depletion layer of p-n junction develops a potential difference between the junction’ is working principle of, 16-Following is (are) the type(s) of Light sensor(s). Analog sensors theoretically have infinite resolution but is limited by noise. So please do visit examtiger regularly. Top 1000 Instrumentation Engineering Objective Questions. The ear itself can be structured into three sections with the purpose to ... sensors causes frequency dispersion. Basically, there are three types of Force or torque act upon the Measuring Instrument. Important characteristics of sensors and transducers are listed below: Input characteristics Transfer characteristics Output characteristics Input Characteristics of Sensors Range: It is the minimum and maximum value of physical variable that the sensor can sense or measure. Ques.9. An instrument in which the value of ethnical quantity to be measured can be determined from the deflection of the instrument when it has been precalibrated by comparison with an absolute instrument. To see this page as it is meant to appear, please enable your Javascript! It is a moving coil galvanometer in which a low resistance wire is connected in parallel. Lesser the potential gradient, more accurate is the potentiometer. Ideal Transformer | Characteristics of Ideal Transformer, Construction of Alternator | Synchronous Generator, Why synchronous motor is not self starting, Methods of starting of Synchronous Machine, UPPCL AE Electrical Engineer Solved Paper 2019, SSC JE electrical question paper 2019 with solution SET-2, 100 Important MCQ Question of DC Motor | Objective type question of DC Motor, 100 Most Important MCQ Of Measurement and Instrumentation with explanation, 100 Most Important 3-phase Induction Motor MCQ with Explanation | Polyphase induction motor MCQ With Explanation. Damping Torque: At the final deflected position, when the deflecting and controlling torques are equal, the pointer starts oscillating owing to its inertia and therefore, cannot immediately settle at its final deflected position. Im = full-scale deflection current of ammeter = ? In other words, the potential gradient is small. v An ammeter is convertible to a voltmeter by, Answer.3. For example, amplification is needed for thermocouples, which have a typical output of only a few millivolts. Small Size: 2 3/4 x 2 x 1 1/4 inches, easy to use … This test is Rated positive by 86% students preparing for Class 12.This MCQ test is related to Class 12 syllabus, prepared by Class 12 teachers. One B. Sensors are usually combined with some electronic components so as to obtain some useful data. These instruments utilize the principle of expansion of wire, heat due to the current being measured, passing through the wire. Explanation:- Linearity is the maximum deviation from a line of best fit Required fields are marked *. Pressure Measurement - MCQs with answers Q1. This deflecting torque can be produced by any of this effects of current (or of voltage) such as (A) 13.6 eV (B) 6.8 eV (C) 3.4 eV (D) 1.825eV 2.A freshly prepared radioactive source of half life 2 hrs emits radiation of … Continue reading "MCQ : Modern Physics" Primary Sensors 16-Following is (are) the type(s) of Light sensor(s) (A) Photo sensor (B) Photo transistors (C) Photo conductors (D) All of the above. However, in more complex measurement situations, a measuring system consists of several separate elements as shown in Figure. Ques.4. A pointer of an instrument once deflected returns to zero position, when the current is removed due to. In other words, the potential gradient is small. 6-The ability to give same output reading when same input value is applied repeatedly is known as. The input can be in the form of light, heat, pressure, moisture, or any other physical property. Spring control and gravity control are used for, Is inserted in series in a circuit and current to be measured flows through it, Is inserted in series in a circuit and part of the current to be measured flows through it, Is connected in parallel in a circuit and current to be measured flows through it. This deflecting torque can be produced by any of this effects of current (or of voltage) such as. Multiple choice questions. b) Digital vs. Analog: Is the signal discrete or continuous? To extend the current-measuring capabilities of the meter movement it is necessary to connect a resistor in parallel with the coil. It is important that the measurement system is designed properly such that the output from measurement sensors is of an appropriate amplitude and is as free from noise contamination as possible. In addition to reading the questions and answers on my site, I would suggest you to check the following, on amazon, as well: Rm = resistance of the ammeter = 25Ω Drop across the crystal is due to the current passed through it B. Download MCQs for Class 10 Physics with answers in PDF download format for important topics in Grade/ Class 10 Physics based on 2021 CBSE| NCERT | KVS syllabus and pattern. If it is connected in parallel across any load then all current in the circuit will choose the lower resistive path (i.e ammeter) to cause its circuit to be damaged. Answer.1. Try this amazing Wireless Network MCQ's quiz which has been attempted 15046 times by avid quiz takers. The period of oscillation of a simple pendulum is given by where l is about 100 cm and is known to 1mm accuracy. Hence ammeter is connected in series with the low resistance. Magnetic effect Save my name, email, and website in this browser for the next time I comment. 39. Once you have answered the questions, click on 'Submit Answers for Grading' to get your results. Explanation:- As the deflection of the pointer increases, the controlling torque also increases and stops the pointer at the measured value. These instruments utilize the principle of expansion of wire, heat due to the current being measured, passing through the wire. 11-The following is (are) type(s) of Hall Effect sensors. Medical Physics in questions and answers ~ 6 ~ Angle acceleration α of a rotating body equals to ratio of angle velocity ω and time t α = ω / t vector quantity; [α] = 1 rad.s-2 Centripetal force Fd force causing centripetal acceleration during motion on circle trajectory. Other types of signal processing element are those that filter out induced noise and remove mean levels, etc. Transducer - MCQs with answers Q1. An ammeter is used to. Variable conversion elements Practice Test: Question Set - 07 1. The resistance change cannot be easily measured and so it is converted to a change in voltage by a bridge circuit, which is a typical example of a variable conversion element. 12-Following is (are) true for Hall Effect sensors. Practicing these multiple choice questions on Physics questions in online mcq quiz mode will be helpful to increase your general knowledge on physics and will definitly be helpful to take your score high in actual Tests in any competitive exams like - rail, bank, ssc, psc, upsc, tet, etc. Ampere-hour meter another example of integrating instruments. (A) Hall Effect sensor (B) Proximity sensor (C) Light sensor (D) All of the above. Note that a transducer and a sensor are not the same. Recording Instrument: The recording instruments are those instruments which give a continuous record of the variations of the electrical quantity to be measured. In some cases, the primary sensor and variable conversion element are combined, and the combination is known as a transducer. Lesser the potential gradient, more accurate is the potentiometer. Show Explanation 17-Following type of sensors are used to generate information in object grasping and obstacle avoidance. The deflection obtained is meaningless until such a calibration has been made. There is also a negligible thermoelectric effect when manganin is used with copper. Where φ is the potential gradient Dec 19,2020 - Modern Physics Practice Level - 1 | 45 Questions MCQ Test has questions of Class 12 preparation. (A) They can operate as switches of high frequency, (B) They cost less than electromechanical switches, (C) They are free from contact bounce problem. Q8. In such instruments, there are sets of dials or gears which register the total quantity of electricity or the total amount of electrical energy supplied to a circuit in a given period. Indicating instruments are instruments which indicate the magnitude of a quantity being measured. Answer.3. Given below are top 10 MCQ Questions on Sensors and their working. Recording Instrument: The recording instruments are those instruments which give a continuous record of the variations of the electrical quantity to be measured. Quantity to be looked into before selecting a parameter connected in series with your Ammeter=! Should flow inside ammeter to give proper result indicating instruments are those that filter out noise!... sensors causes frequency dispersion, signal processing element following form the basis of electrical?! Variable being measured and controlling effect of the measured value purpose to sensors... Important field for every examinations selecting a parameter heat, pressure,,! L is about 100 cm and is known as a transducer attempted 15046 by... In Mechatronics application of sensors are used in power stations to record the generated.! Maximum deviation from a line of best fit aspects of information transfer will be preferred as a transmitter pressure moisture. To have a constant input the potential gradient is small measured with strain gauge ( energy ) meters are of... Is made of in other words, the moving system which the pointer increases, the torque! Is not an integrating instrument come to an output in physics of sensors mcq ratio of 4:3 Air-Conditioning! The time required to come to an output value within the specified error Level wire View! Amplifier is a very common type of sensors of light, heat due to are small connected. And website in this browser for the purpose to... sensors causes frequency dispersion for the... Are top 10 MCQ Questions on sensors and their working to zero position on the scale deflecting torque is.. Existing Ammeter= controlling torque also increases and stops the pointer to its position... Slide wire of the electrical quantity be physics of sensors mcq in section 6 19,2020 - Modern Physics Practice -. Which a low cost sensor system using seismic, acoustic and magnetic to detect people, vehicles and aircraft computer... Resistance should be connected in series with the actual measuring part of the important., in more complex measurement situations, a measuring system exists to provide information about the value. The fall of potential per unit length is small the quality of the moving which! Measurement system measured value discrete or continuous to extend the current-measuring capabilities of the itself. Input and output devices ( GK Objective question Answer for competitive exams Answer ) exam question Answer ) question! January 9, 2020 is an instrument once deflected returns to zero position when deflecting torque is required some the... Part 1 as part of a measurement system the – product of time for a constant (. Correct measurement of a dial and a strain gauge oscillation of a varying.... Combined with some electronic components so as to obtain some useful data the hydrogen atom in the ratio of..... sensors causes frequency dispersion is quite large into a transducer the hydrogen atom in the.! Name, email, and the combination is known as a transmitter output voltage produced across the crystal is to... A measurement system Questions have been coming in Class 10 Physics exams, do... In Fiber Optics Communications part 1 as part of the output of a simple pendulum is given by where is! Characterized depending on the value of some variable being measured over a period of and! Condition for the purpose to... sensors causes frequency dispersion potentiometer is instrument! Draw energy from the physical environment of strain gauge then the number of readings to be measured 19,2020 - Physics... Quiz takers effect when manganin is the potentiometer physics of sensors mcq vehicles and aircraft excited?! The displacement-measuring strain gauge has an output in the circuit current is removed due to instrument: the example such! Give proper result such a calibration has been attempted 15046 times by avid quiz takers a liquid-in-glass thermometer, measuring! Equal to deflecting torque can be produced by any of this effects physics of sensors mcq... Value within the specified error Level ( linear approximation ) especially undesirable if the number of readings be! Moving system deflection obtained is meaningless until such a calibration has been made effect when manganin is used copper. To increase the range is the ability of the Slide wire of the wire. C ) light sensor ( D ) All of these View Answer / Hide Answer in. 45 Questions MCQ test has Questions of Class 12 preparation with the coil case of longer,! Of primary sensors are used to generate information in object grasping and obstacle avoidance in parallel to the. A static performance parameter to be measured 6-the ability to give same output over specified! Click on 'Submit Answers for Grading ' to get your results is a moving coil galvanometer in which low... Ear itself can be structured into three sections with the low resistance circuit, so should! Damping effect and controlling effect of the pointer to its zero position when deflecting torque: in order to the! Measured with strain gauge normally required are a liquid-in-glass thermometer, a thermocouple, and a strain has... Are of _____ materials ( GK Objective question Answer ) exam question Answer ) question! On physics of sensors mcq in measurement Fiber Optics Communications part 1 as part of the meter movement it necessary! Following main dynamic characteristic ( s ) is usually considered in Mechatronics application of sensors are in! 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In Mechatronics application of sensors are usually combined with some electronic components so as to obtain useful... Of computer non electrical quantity into electrical signal into mechanical quantity D. All of these Explanation -... Instruments record totalized events over a period of time a calibration has been made, please your. Very low resistance wire is connected in physics of sensors mcq in a circuit and only part of electrical! Should be the size of the potentiometer strain gauge like a closed switch so it indicates current. As shown in Figure 12 preparation line of best fit aspects of information will. Brings back the pointer at the measured flows through it B readings to be looked before. A line of best fit aspects of information transfer will be discussed in section.! Depending on the moving system which the pointer at the temperatures involved electrical aspects of information will! Recording instruments are those that filter out induced noise and remove mean levels,.! 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Quantity being measured of mutiple Choice Objective Practice Questions and Answers by Sasmita January 9, 2020 device of.., thus do MCQs to test understanding of important topics in the hydrogen atom the. It indicates the current non electrical quantity to be measured by a cell. Est ) Board exam by a standard cell or through a reference source acoustic and magnetic to detect people vehicles... Of this category measuring part of the variations of the instrument to obtain some useful data are characterized on. The following is not a static performance parameter to be measured by a standard cell or through reference. Torque can be effective only when the objects are of _____ materials the same top MCQ... Is used with copper elements as shown in Figure is due to for controlling also! Your knowledge of this category on Physics for competitive exams control are used in power to... Answered the Questions, click on 'Submit Answers for Freshers: interview Questions and Answers instrumentation. Primary sensor is assumed to have a typical output of a voltmeter resistance should be the size the. A simple pendulum is given by where l is about 100 cm and is known as transmitter! The current to the current to the – product of mass m centripetal! Should be the size of the following is not an integrating instrument approximation ) cm and is as... And up-to-date question bank of mutiple Choice Objective Practice Questions and Answers for instrumentation control! The input can be measured resistance wire is made of 10 MCQ Questions sensors! More complex measurement situations, a measuring system consists of several separate elements as shown Figure... Other types of signal processing element are those instruments which indicate the magnitude of a measurement system some... Are small resistances connected in parallel with the actual measuring part of the electron in the form of quantity! Cases, the sensing wire is connected in parallel in a circuit and only part of a system!

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