Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Electrodynamo meter instruments Moving iron instruments Electrostatic instruments PMMC instruments Electrodynamo meter instruments Moving iron instruments Electrostatic instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Lorenz method Bridge Method Rayleigh method Ohm’s law method Lorenz method Bridge Method Rayleigh 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 Both give the same readings One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. 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 0.1mA 0.023mA 0.007mA 0.05mA 0.1mA 0.023mA 0.007mA 0.05mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter None of these C. ammeter C. energy meter C. ammeter hour meter None of these C. ammeter C. energy meter ANSWER DOWNLOAD EXAMIANS APP
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