b) Force to voltage An inverse transducer is a device which converts. © 2011-2020 Sanfoundry. A transducer is a device which converts one quantity into another quantity. The transducer converts the non-electrical quantity into an electrical quantity. This can include loudspeakers and linear positioners are well as physical quantity to electrical signal devices. A system with feedback loop doesn’t have ______________ One of the major difference between the transducer and the inverse transducer is that the transducer changes the non-electrical quantity into an electrical quantity while the inverse transducer changes the electrical quantity into the non-electrical quantity. PMMC devices are converters of _____________ Hence it converts any quantity to be measured into a usable electrical signal. a) An electrical quantity into a non electrical quantity b) Electrical quantity into mechanical quantity c) Electrical energy into thermal energy d) Electrical energy into light energy. The process of conversion of quantities is known as the transduction. Inverse Transducer It is a device that converts an electrical quantity into non-electrical quantity. c) Equality But Piezoelectric Crystal can work as a transducer also. The control action of the physical quantities like flow, rate, position, speed, temperature, pressure etc. In PMMC device, torque and number of turns have _______________ A Active. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Transducer 1. To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. An inverse transducer is a device which converts a) An electrical quantity into a non electrical quantity b) Electrical quantity into mechanical quantity c) Electrical energy into thermal energy d) Electrical energy into light energy Ans : (a) 7. View Answer, 4. Primary and secondary transducers Primary transducer: The Mechanical device which converts physical quantity to be measured into a mechanical signal. d) Bourdon tube On the basis of transduction form used Resistive Transducers. Inverse Transducer – The transducer which converts the electric quantity into a physical quantity, such type of transducers is known as the inverse transducer. Usually a transducer converts a signal in one form of energy to a signal in another. Transducer– The device which converts the non-electrical quantity into an electric quantity is known as the transducer. Definition and General Concept of Transducer Definition The transducer is a device which converts one form of energy into another form. Whereas, the inverse transducer changes the electrical quantity into the non-electrical quantities. • Active and passive • Analog and digital • Primary and secondary • Transducer and inverse transducer If you would like more information on transducers please contact us. Capacitive Transducers. D Pulse. Answer: Inverse transducers 7 ... 14 An inverse transducer is a device which converts A An ... 18 The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. View Answer. Transducer. 32) Define an Inverse transducer. View Answer, 8. Sensors. This physical quantity which is to be measured can be pressure, level, temperature, displacement etc. An inverse transducer is a device which converts a) An electrical quantity into a non electrical quantity b) Electrical quantity into mechanical quantity c) Electrical energy into thermal energy d) Electrical energy into light energy Ans : (a) 7. C Digital. Prepared by: Engr:Temoor Abbas Transducers 2. Examples: The analogue ammeter and the voltmeter convert the current into a displacement. b) Barium titanate d) None of the mentioned Prim a ry and secondary transducer. Ex:-Resistive,inductive and capacitive transducers -An inverse transducer is defined as a device which converts an electrical quantity into a … Transducers and Inverse Transducers- -A Transducer can be broadly defined as a device which converts a non-electrical quantity into an electrical quantity. b) False Introduction to transducers •A transducer is a device that converts one form of energy to other form. Metals have Positive Temperature Coefficient (PTC) of resistance. Which of the following is an inverse transducer _____________ Examples of transducer. The output quantity may or may not be electrical quantity. The inverse transducer is the transducer which converts the electrical quantity into a non-electrical quantity. 1. An electrical transducer is a device which converts any physical quantity ... Read more For example Piezoelectric crystal. a) Quartz Photoconductive transducer, Thermocouple, Pressure gauge, strain gauge. A transducer is an electronic device that converts energy from one form to another. A thermistor reacts to temperature variations. b) Non-electrical quantity to electrical quantity d) Cadmium Examples: The thermocouple converts the temperature into the small voltage. The name itself implies that the function of Inverse Transducer is inverse of the Transducer. Your email address will not be published. a) Less stability A microphone converts sound into electric impulses. The inverse transducer converts the electrical quantity into the non-electrical quantity. In a PMMC device what change will happen to torque, if flux density increased? A strain gauge is a passive transducer and is employed for converting. Whereas the Inverse transducer is the one where an ELECTRICAL quantity is converted to non-electrical(Physical quantity).An example of an Inverse transducer is Inverse Piezo Electric Transducer. An electric motor converts electrical energy into motion. c) Remain constant Give an example. Required fields are marked *. Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities. The transducer has high electrical input and low non-electrical output. The. b) Closed loop transducers Transducers are also known as “Pickups” and there are several types of transducer because there are varieties of parameters to measure. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Inverse Transducers”. Inverse transducers are the devices operating just opposite to transducers. Difference Between Active & Passive Transducer, Open Circuit and Short Circuit Test on Transformer, Difference Between Static and Kinetic Friction, Rotor Resistance Control of an Induction Motor, Two Wattmeter Method of Power Measurement, Difference Between Conduction and Convection, Difference Between Circuit Switching and Packet Switching, Difference Between Ductility and Malleability, Difference Between Physical and Chemical Change, Difference Between Alpha, Beta and Gamma Particles, Difference Between Electrolytes and Nonelectrolytes, Difference Between Electromagnetic Wave and Matter Wave. A transducer is a device that converts energy from one form to another. 5. c) Load cell Inverse transducers are also known as _________________ Definition: The transducer which converts input quantity into output having digital pulses is called digital transducer. Simply we can say that it is a device capable of converting physical quantity into a proportional convenient form or state. Inductive Transducers. Transducer and inverse transducer. Piezoelectric Transducer, current carrying conductor placed in an magnetic field. View Answer, 2. Inverse transducer is defined as a device which converts an electrical quantity into a non electrical quantity: A piezoelectric crystal acts as inverse transducer because when a voltage is applied across its surfaces, it changes its dimensions causing a mechanical displacement. when an electric charge or voltage is applied to the surface of piezo-electric crystals, the dimensions of the crystal change due to deformation. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Example of Inverse transducers are piezoelectric crystal. A mechanical force or displacement being converted into an electrical signal. Transducers Prof. B. D. Kanani, EE Department E lectrical M easurements and M easuring I nstruments (2130903) 1 5.1. c) BANI0 a) Open loop transducers Your email address will not be published. View Answer, 3. Input transducers and inverse transducers are the same. d) All of the mentioned a) Piezoelectric transducer View Answer, 10. examples are microphone, incandescent light and electric motor. 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A transducer is a device which converts one form of energy into another; we are surrounded by them in everyday life but they can also be more complicated types of sensors and actuators. And the LVDT is used for measuring the displacement. The transducers can be classified as per figure-1 above into following types. The photoconductive cell, thermocouple, pressure gauge are the examples of the non-electrical quantities. The transducer transforms the non-electrical quantity into the electrical quantity. Explanation: Transducers are devices which transfers measurand which will be a non-electrical quantity to electrical quantity. device which converts a non-electrical quantity into an electrical quantity. Inverse transducers are device which convert the electric quantity into physical or mechanical quantity. Whereas, the inverse transducer changes the electrical quantity into the physical quantity. An electrical transducer is a device which is capable of converting physical quanties into a proportional electrical quantity such as voltage or electric current. The output of the transducer is the electrical quantity while the output of the inverse transducer is always the non-electrical quantity. a) Increases Voltage and current Generating Transducers. •In other word it is a device that is capable of converting the physical quantity into a proportional electrical quantity such as voltage or current. d) Output transducers depends on the measurement of the physical quantities. Inverse Transducers: Devices which convert an electrical quantity into non-electrical quantity is called Inverse Transducer. b) Decreases The oscilloscope is used for converting the electrical signal into a physical displacement. The transducer is a type of device that converts the physical quantities like pressure, brightness, displacement into an electrical quantity. Which of the following cannot act as inverse transducer? Difference Between Transducer & Inverse Transducer. View Answer, 6. c) Electrical quantity to electrical quantity itself Here input quantity is non-electrical quantity. Ex:-Resistive,inductive and capacitive transducers -An inverse transducer is defined as a device which converts an electrical quantity into a non-electrical quantity. In other words, the transducer is a kind of actuator which has an electrical input and the non-electrical output. b) Direct proportionality Ans : (a) 7. A transducer is a device which, when actuated transforms energy from one form to another. Examples: The analogue ammeter … A piezo-electric crystal acts as an inverse transducer because when a voltage is applied across its surfaces, it changes its dimensions causing a mechanical displacement. The important characteristics of transducers are – Transfer Function. a) True Example: • Shaft Encoders . a) Electrical quantity to non-electrical quantity Introduction Transducer is a device, which converts energy or information from one form to another. B Passive. It converts the measurand to a usable electrical signal. c) Input transducers The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. c) Zero-order operation Characteristics Of Transducers. The process of converting one form of energy to … d) Undetermined Save my name, email, and website in this browser for the next time I comment. The other differences between the transducer and inverse transducer are shown below in the comparison chart. B Analog. b) LVDT View Answer, 7. A Active. The input of the transducer is the non-electrical quantity. b) BNI0 b) High linearity c) Force to force A transducer is a device which converts signals from one form to another. Transducers and inverse transducers 4. a) BAI0 Self generating type transducers are _____ transducers. An inverse transducer is a device which converts a) Mechanical quantity to Electrical quantity b) Electrical quantity into mechanical quantity c) Electrical energy into thermal energy d) An electrical quantity into a non electrical quantity Ans : (d) Q8. View Answer, 9. It is a precision actuator having an electrical input and low-power non-electrical output. The transducer changes the physical quantity into an electrical quantity. 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