Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 2.5 A 5 A None of the listed here 0 A 2.5 A 5 A None of the listed here 0 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly Deflecting Damping None of the listed here Controlling Deflecting Damping None of the listed here Controlling ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A function generator. A potentiometer. A frequency meter. An ammeter. A function generator. A potentiometer. A frequency meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 0V and V2 = 0V. V1 = 200V and V2 = 300V. V1 = 300V and V2 = 200V. V1 = 250V and V2 = 250V. V1 = 0V and V2 = 0V. V1 = 200V and V2 = 300V. V1 = 300V and V2 = 200V. V1 = 250V and V2 = 250V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Energy meter. Instrument transformer. Power factor meters. Wattmeters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP