Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ballastic galvanometer Flux meter Ammeter Voltmeter Ballastic galvanometer Flux meter Ammeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Shunt Potential transformers All of the listed here Current transformers Shunt Potential transformers All of the listed here Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in Wh kWh kW VAR Wh kWh kW VAR ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 µNm. 100 µNm. 1 µNm. 200 µNm. 2 µNm. 100 µNm. 1 µNm. 200 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Dynamometer Hot wire Moving iron Thermocouple Dynamometer Hot wire Moving iron ANSWER DOWNLOAD EXAMIANS APP
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