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