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