Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is √2V. 2V. Zero. 2√2V. √2V. 2V. Zero. 2√2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Medium frequency High frequency Low frequency Very high frequency Medium frequency High frequency Low frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 50 mA. 80 mA. 40 mA. 25 mA. 50 mA. 80 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called relative error gross error probable error absolute error relative error gross error probable error absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 250 V. 252 V. 248 V. 260 V. 250 V. 252 V. 248 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of mutual inductance we can use Anderson bridge Maxwell's bridge Any of the listed here Heavyside bridge Anderson bridge Maxwell's bridge Any of the listed here Heavyside bridge ANSWER DOWNLOAD EXAMIANS APP