13. 5 Points. 10. Hence, we will get the following three active transducers depending on the non-electrical quantity that we choose. ECG B. It measures temperature, pressure, displacement, force, vibrations, etc. Capacitive Sensors offered at Seeed Grove – Capacitive Moisture Sensor (Corrosion Resistant) Since we’ve now understood that capacitive proximity sensors are capable of moisture control, we’ll, of course, need a sensor for its applications! The capacitive transducer comprises of two parallel metal plates that are separated by the material such as air, which is called as the dielectric material. This transducer can be used to measure the distance of the sound based on reflection. The circuit diagram of capacitive transducer, which is used to measure displacement is shown in below figure. Only liquid B. The change in resistance of a metal wire owing to strain is due to S1: Change in dimension of wire expressed by factor (1-2µ) S2: Change in resistance ? These transducers exhibit non-linear behaviors due to edge effects. Related posts: The capacitive transducer is the capacitor with variable capacitance. i.e. Pressure transducer for measuring blood pressure is a) Strain gauge transducer only b) Strain gauge or capacitive transducer c) Resistive transducer d) Fiber optic transducer Ans : (b) 36. We prepared the Inductive Transducers Multiple Choice Questions for your practice. 2. Measurement of Displacement using Capacitive Transducer. ... Capacitive: c. Electromagnetic: d. Inductive: Check my answer! a) True b) False 16. Explanation: Capacitive transducers convert measurant into changes in capacitance. Online Library Capacitive Transducers Multiple Choice Questions With Solutions action sellers here will unquestionably be in the middle of the best options to review. Change in capacitance is caused by change in dielectric or change in distance between plates. C. Load cell, torque meter and accelerometer only. Transducers, Measurement & Instrumentation. Capacitive pressure transducer uses distance of separation for sensing the capacitance. By the variation in number of turns c. By the variation in reluctance and permeability d. All of the above View Answer / Hide Answer. You can get the Quiz Answers after submitting all quiz questions. It has a high output impedance. 6. Q6.What is the phase difference, when the system is operated at excitation frequency? Ultrasonic Transducer Application of Ultrasonic Transducer. Transducer - Electrical Engineering (MCQ) questions and answers. Home ; MCQ; Interview Questions; Tutorials. This transducer can also be called capacitive or piezoelectric transducers. 79) What is the principle of capacitive transducer? The following transducer(s) may employ strain gauge as a secondary transducer. D. Load cell, torque meter, accelerometer and flow-meter. They are as follows: i) Mechanical ii) Electrical. Capacitive transducers are normally employed for_____ measurements a) Static b) Dynamic c) Transient d) Both static and dynamic Ans : (b) 29. Diagnostic tool for brain alignment 3. transducers multiple choice questions with solutions, but end up in harmful downloads. Applications of Capacitive Transducers. We additionally find the money for variant types and next type of the books to browse. Also see Top 10 MCQ on Sensors. Library Genesis is a search engine for free reading material, including ebooks, articles, magazines, and more. In the absence of external power, transducer cannot work and it is called a passive transducer. It is otherwise called as resistive sensors. By the variation in self-inductances and coupling coefficient b. This is where The Grove – Capacitive Moisture Sensor (Corrosion Resistant) comes to play. This capacitive transducers multiple choice questions with solutions, as one of the most lively sellers here will certainly be in the midst of the best options to review. You need to score at-least 50% to pass the quiz i.e. Match the following 1. b) capacitance c) resistance d) reluctance 14. Because of this high output impedance value, a complicated circuit is needed to measure the output. Which of the following is used in photo conductive cell? 36) Which proximity sensors are used in automotive? Many industrial variables like displacement, pressure, level, moisture, thickness etc. Question 4. Bottom of the vessel containing the liquid B. Electronics Post. Answer: a Explanation: There are basically two types of transducers. Its force requirements are very small Menu. All the Best. Fig. Semi-conductor thermistors have a Negative Temperature Coefficient (NTC). ANSWER: a. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. Rather than enjoying a good book with a cup of coffee in the afternoon, instead they are facing with some harmful bugs inside their laptop. So, in the capacitive transducer, the change in the capacitance is used to measure the physical quantities. How many types of transducers are there? A Temperature Transducer is a device that converts the thermal quantity into any physical quantity such as mechanical energy, pressure and electrical signals etc. a. Resistance THERMISTOR Temperature A THERMISTOR is a type of resistor whose resistance varies significantly with temperature. Active transducer is a transducer, which converts the non-electrical quantity into an electrical quantity. advertisement. Answer Explanation ANSWER: Decreases. MCQ A Piezoelectric transducer is a voltage source of with an internal impedence of . Resistive Transducer Definition: The transducer whose resistance varies because of the environmental effects such type of transducer is known as the resistive transducer. Which type of sensor is a tactile sensor: Piezoresistive; Piezoelectric; Capacitive; Elastoresistive sensors… The transducers which require external power and their output is a measure of some variables such as resistance, inductance, capacitance, etc., are called as. Disadvantages of Capacitor Transducers 4. Transducers Objective Type Questions And Answers GATE-2015 Question Paper Answer Keys QUESTION BANK UNIT-I MECHATRONICS, SENSOR AND … Pressure Transducers Mcq And Answer Sensors And Transducer Objective Questions … Tactile sensors are touch sensitive sensors so option 3 is correct for tactile sensors. For example resistive capacitive inductive transducers. ANSWER: C. Both (a) and (b) Q4. 16. Questions & Answers (MCQs) focuses on “Capacitive Transducer”. Definition: Capacitive transducers are passive transducers that determine the quantities like displacement, pressure and temperature etc. Due to this, the spacing between these two plates will also vary. Electrical Engineering MCQ. Measurement of Pressure, Flow, Temperature and Liquid Level. Answer/ Hint Download Ebook Capacitive Transducers Multiple Choice Questions With Solutions Capacitive Transducers Multiple Choice Questions With Solutions Right here, we have countless ebook capacitive transducers multiple choice questions with solutions and collections to check out. Capacitive transducers (source: directindustry.com) Capacitive Transducers Contents hide 1. 80) What are the desirable features of capacitive transducer? A) Strain gauge transducer only B) Resistive transducer C) Fiber optic transducer D) Strain gauge or capacitive transducer. Capacitance of a parallel plate capacitor is _____ a) C = A∈ ⁄ d b) C = ∈ ⁄ d c) C = A ⁄ d d) C = A View Answer Capacitive Transducer Questions and Answers - Sanfoundry We prepared the Capacitive Transducers Multiple Choice Questions for your practice. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Transducer; 1) With the increase in the intensity of light, the resistance of a photovoltaic cell. This quiz section consists of total 10 questions. (a) Inductive Proximity Sensor (b) Capacitive Proximity Sensor (c) Magnetic Proximity Sensor (d) Ultrasonic Proximity Sensor ANS-d 37) Which proximity sensor detects positioning of an object? Edit. Multiple choice Questions and Answers on Measurement and Instrumentation. to understand the working principle, consider a conductor rod. a) Phase difference is greater than 90 deg. (a) Inductive Proximity Sensor (b) Capacitive Proximity Sensor (c) Optical Proximity Sensor Sphygmo-manometer C. Instrument used for measuring blood pressure 4. What Is Active Transducer? 8. Library Genesis is a search engine for free reading material, including ebooks, articles, magazines, and more. by measuring the variation in the capacitance of a capacitor.. As we know that a transducer changes a form of energy into another form. advertisement. And the output circuit needs to be powerful to maintain this high output immense value. How does the value of mutual inductance vary between two coils of an inductive transducer? Also See Top 10 MCQs on Sensors. Increases b. Decreases c. Remains same d. None of these. A. No negative points for wrong answers. 1. Each question carries 1 point. Answer : In the absence of external power, transducer can work and it is called active transducer. 35. The capacitor, which is present in above circuit has two parallel plates. What is a Temperature Transducer? Compare and contrast the control system for the domestic central heating system involving a bimetallic thermostat and that involving a microprocessor? Basic Electronics; Analog Communication Systems; About; Contact … Capacitive Transducers 2. b) Phase difference is less than 90 deg. Explain the function of a capacitive sensor in a robot end effectors? 1 The most popular type sensor used in mobile phones fingerprint; 2 Role of Barometer sensor in Mobile phones; 3 Which of the following sensor is used in mobile phones MCQ; 4 Which sensor is responsible for … Wireless Sensor Networks Interview Questions ; Question 16. Capacitive displacement sensors are used as a reference system for other range sensors for range measurement at low temperature. The change in resistance is measured by the ac or dc measuring devices.The resistive transducer is used for measuring the physical quantities like temperature, displacement, vibration etc. A capacitive transducer works on the principle of _____ a) inductance . Differential capacitive transducers measure blood pressure. Solid in powdered form C. Both (a) and (b) D. None of these View Answer / Hide Answer. as temperature increases, the resistance decreases. The most commonly used type of transducer is variable resistance transducer. Inductive & Displacement Transducers - MCQs with answers 1. Which type of sensor is a tactile sensor. Basic Electronics Tutorials; Communication Tutorials; Computer Networking Tutorials; Questions. The word is a … a) 2 b) 4 c) 6 d) 8 View Answer. Pressure transducer for measuring blood pressure is. B. Given below are most important Multiple Choice Questions on Different types of sensors used in your mobile phones. They are. CLASSIFICATION OF PASSIVE TRANSDUCERS 17. Inductive Transducers. This measurement is based on a suitable method compared to the straight methods which use different measuring scales. 1. Capacitance can be varied in _____ a) 10 ways b) 6 ways c) 2 ways d) 4 ways 15. Load cell only. 5. a. In ultrasonic level gauge, the ultrasonic source is placed at the A. Question MCQ Which of the following is the best method of measurement of temperature of hot bodies retaining … Sensors MCQ - Top 10 Multiple Choice Questions on Sensors ... Online Library Capacitive Transducers Multiple Choice Questions With Solutions action sellers here will unquestionably be in the middle of the best options to review. Answer: a Explanation: Photo conductive action is the property of reduc can be transduced into an electrical variation using capacitance variation as the primary sensing principle. Inductive transducer works based on the change in reluctance and number of turns in the coil. There are a few disadvantages of a capacitive transducer are listed below. So, thermocouple is an temperature transducer. A Linear Variable Differential Transformer (LVDT) is a type of inductive transducer that acts as a physiological pressure sensor. For example, in a thermocouple the electrical potential difference is produced due to temperature difference across its terminals. The capacitive transducer or sensor is nothing but the capacitor with variable capacitance. Multiple choice Questions and Answers on Measurement and Instrumentation. Diagnostic tool for heart alignment 2. Capacitive devices are used for the level measurement of A. Advantages of Capacitor Transducers 3. a) It is a mutual capacitive transducer b) Presence of hysteresis gives high repeatability c) It can measure displacement and pressure d) All of the above. Among which, one plate is fixed and the other plate is a movable one. Load cell and torque meter only. a) Selenium b) Quartz c) Rochelle salt d) Lithium sulphate View Answer. Let us consider the non-electrical quantities such as pressure, illumination of light and temperature. ? This quiz section consists of total 10 questions. Example capacitive , inductive, resistance transducers. EEG A. Remains same d. None of these these transducers exhibit non-linear behaviors due to this, spacing... Transducer whose resistance varies because of the books to browse ; Questions ) Fiber optic transducer d ) reluctance.. C. Instrument used for measuring blood pressure 4 power, transducer can also be called capacitive or Piezoelectric.. Is the principle of _____ a ) inductance on a suitable method compared to the straight methods which Different... In distance mcq on capacitive transducer plates Flow, temperature and Liquid level be transduced into an Electrical variation using capacitance as! 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