Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Ballastic galvanometer Voltmeter Flux meter Ammeter Ballastic galvanometer Voltmeter Flux meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for ammeter only. ammeter, voltmeter and wattmeter. wattmeter only. voltmeter only. ammeter only. ammeter, voltmeter and wattmeter. wattmeter only. voltmeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to temperature true variations. both A and B. none of these. error due to strong magnetic field. error due to temperature true variations. both A and B. none of these. error due to strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. (Rc/Ra).Rb. (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. (Rc/Ra).Rb. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a source resistance short circuited open circuited replaced by a capacitor replaced by a source resistance short circuited open circuited replaced by a capacitor ANSWER DOWNLOAD EXAMIANS APP
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