Measurement and Instrumentation Induction wattmeter can measure None of the listed here Dc power only Both AC and DC Ac power only None of the listed here Dc power only Both AC and DC Ac power only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Elastic galvanometer Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer 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 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are parallel. inclined at 60o. perpendicular. inclined at 30o. parallel. inclined at 60o. perpendicular. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A potentiometer. An ammeter. A frequency meter. A function generator. A potentiometer. An ammeter. A frequency meter. A function generator. ANSWER DOWNLOAD EXAMIANS APP
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