Measurement and Instrumentation The resistance can be measured most accurately by Multimeter Megger Voltmeter-ammeter method Bridge method Multimeter Megger Voltmeter-ammeter method Bridge method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A function generator. A frequency meter. A potentiometer. An ammeter. A function generator. A frequency meter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 2 kWh 1 kWh 3 kWh 4 kWh 2 kWh 1 kWh 3 kWh 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 0.05mA 0.023mA 0.007mA 0.1mA 0.05mA 0.023mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is 6.66 V. Zero. 4.20 V. - 3.33 V. 6.66 V. Zero. 4.20 V. - 3.33 V. ANSWER DOWNLOAD EXAMIANS APP