Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2% 1.5% 2.5% 1% 2% 1.5% 2.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. open circuited replaced by a source resistance replaced by a capacitor short circuited open circuited replaced by a source resistance replaced by a capacitor short circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis 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 eddy current effect The error is high due to hysteresis 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 eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is an electrostatic instrument. a moving coil instrument. a thermal instrument. a dynamometer instrument. an electrostatic instrument. a moving coil instrument. a thermal instrument. a dynamometer instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In an Anderson bridge, the unknown inductance is measured in terms of Known inductance Known capacitance and resistance Known resistance Known inductance and resistance Known inductance Known capacitance and resistance Known resistance Known inductance and resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Current transformers Power transformers Either of the above Potential transformers Current transformers Power transformers Either of the above ANSWER DOWNLOAD EXAMIANS APP