Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1% ± 2.5% ±3.5% ± 1.5% ± 1% ± 2.5% ±3.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer Vibration galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A source other than the source of unknown voltage. The same source as the unknown voltage. Any of above. A battery. A source other than the source of unknown voltage. The same source as the unknown voltage. Any of above. A battery. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of SI unit as Candela? Velocity Luminous intensity Impulse Force Velocity Luminous intensity Impulse Force ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 10 µF. 0.1 µF. 11 µF. 0.09 µF. 10 µF. 0.1 µF. 11 µF. 0.09 µF. ANSWER DOWNLOAD EXAMIANS APP