Analog voltmeter
alternativesThermocouple
Photo-electric cell
Pneumatic cylinder
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A measurement system consists of sensors, actuators, transducers and signal processing devices. In time delay type measuring lag the instrument responds immediately as soon as the input is altered. A primary transducer is used to change the physical quantity to the mechanical signal whereas a secondary transducer is used to convert a mechanical signal to an electrical signal. ). Resistive Transducer Circuit. Dynamic Range: For a transducer, the operating range should be wide, so that it can be used over a wide range of measurement conditions. B triode 13 which one of the following is not an. d) Thermistor a) By increasing accuracy Join The Discussion. The following block represents the function of a transducer. The classification of transducer-based on physical quantity includes the following. The reason why is because passive transducers require an external power supply to operate. Test Prep. It can perform in an industrial environment. There are various types of transducers depending upon the change in property or the energy they bring about to measure specified physical quantities. We will discuss about these active transducers in next chapter. c) Systematic errors When the mechanical element whose displacement is to be calculated is moved, then it will change the flux path’s permeance which is generated from the circuit. Example of transducers are: thermocouple; microphones ; The transducer consists of a sensor and signals conditioning circuits and finds application in communication systems to convert the electricity to electromagnetic waves. 1. d) By increasing speed of response Which of the following is a digital transducer? Strain gauge, LVDT and thermocouple are examples of. View Answer, 4. a) LDR (Light dependant sensor) general-psychology; 0 Answers. b) Dynamic errors Following are the examples of passive transducers. The example electromagnetic transducer may include at least one permanent magnet, a first armature mounted in magnetic cooperation with the permanent magnet, and a second armature mounted in magnetic cooperation with the permanent magnet. a) Photovoltaic cell Analog voltmeter. View Answer, 9. The following setup uses a light sensor to measure the speed and produces a digital signal. b) False 1. An example is the thermocouple; here, the fact that a current will flow in a continuous circuit of two metals, if the two junctions are at different temperatures, is used to generate electricity. c) Dynamic error Which among the following transducer is an example of passive transducer? An example of an active transducer is a thermocouple. For example, for a transducer used for temperature measurement, sensitivity will be expressed in mV/’ C. A high sensitivity is always desirable for a given transducer. The block diagram of electrical transducer is shown in below figure. b) False the given non-electrical energy is converted into an electrical energy. Now, let us discuss about these two types of transducers briefly. The block diagram of passive transducer is shown in below figure. Active transducer: The transducer which does not require an external electrical power supply to convert a physical parameter into an electrical quantity. Hence the transducer will just convert the energy from one form to another and all the remaining work is done by the additional … The best example of such a transducer is a thermocouple. This doesn’t mean that these types of transducers don’t require power at all. In fact, the power required for functioning is derived from the physical change itself. Thermocouple. Uploaded By curlymusk97. Which among the following transducer is an example of active transducer? a. the heart c. the cerebral cortex b. the eye d. the skeletal structure. Transducer: A transducer is a device that transforms a signal from one energy form to another energy form. The output quantity may or may not be electrical quantity. The thermocouple acts as a transducer but the additional circuits or components needed like the voltmeter, a display etc together from a temperature sensor.. Selection of Transducer. Classification of Transducer. But an electrical transducer will convert a physical quantity to an electrical one. 8. Some of the main parameters are given below. View Answer, 7. b) Measuring lag Which instrument can be used to measure time without any errors? Many people think of a transducer as being a complicated, technical device designed to gather or transfer information. A transducer is a device that converts energy from one form to another. For example, a Pressure Transducer is a transducer that converts pressure into electrical signal. When the output quantity is electrical, then transducer is called as Electrical Transducer. D. Codify/decodify the input signal. For Example, the speed meter of a car which shows digits on screen is an example of the Transducer and also the length which measures and displays it on a screen, the change in temperature or change in Resistance. a) High dynamic range b) Low linearity c) High repeatability d) Low noise View Answer d) Statical error c) Atomic clock This articles describe mechanical transducers like bellows, Bourdon tube, spring, manometer, proving ring, diaphragm, thermocouple bimetal etc. Types and Examples. View Answer, 5. It modifies the inductance of the circuitas well as the equivalent output. Strain Gauge is a passive transducer that converts a mechanical elongation or displacement produced due to a force into its corresponding change in resistance R, inductance L, or capacitance C. A strain gauge is basically used to measure the strain in a work piece. Comment * Related Questions on Process Control and Instrumentation. answered Apr 14, 2017 by SmithC . The second classification of Transducers is based on the physical quantity converted i.e. Transducers are electric or electronic devices that transform energy from one form to another. The transducer, which converts non-electrical form of energy into electrical form of energy is known as electrical transducer. These are also used in the systems which perform specific tasks, to communicate with the real world. Usually a transducer converts a signal in one form of energy to a signal in another.. Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc. View Answer, 11. There are various electrical and electronic components are used to build the circuits and projects for engineering students. View Answer, 12. 9. View Answer, 14. 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