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 2.5% 2% 1.5% 1% 2.5% 2% 1.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Sine of the measurand Squareroot of the measurand Square of the current through the coil Current through the coil Sine of the measurand Squareroot of the measurand Square of the current through the coil Current through the coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Medium High Infinity Very small Medium High Infinity Very small ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be ± 8% ± 6% ± 7% ± 5% ± 8% ± 6% ± 7% ± 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. long and thin. thin. thick. long. long and thin. thin. thick. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become precise. accurate and direct reading. accurate. accurate and precise. precise. accurate and direct reading. accurate. accurate and precise. ANSWER DOWNLOAD EXAMIANS APP
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