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