Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Rayleigh method Lorenz method Ohm’s law method Bridge Method Rayleigh method Lorenz method Ohm’s law method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.05mA 0.1mA 0.023mA 0.007mA 0.05mA 0.1mA 0.023mA 0.007mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter C. energy meter C. ammeter hour meter None of these C. ammeter C. energy meter C. ammeter hour meter None of these ANSWER DOWNLOAD EXAMIANS APP
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