Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A potentiometer. A frequency meter. A function generator. An ammeter. A potentiometer. A frequency meter. A function generator. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 114.6 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates DC value of voltage Peak to peak value of voltage RMS value Average value DC value of voltage Peak to peak value of voltage RMS value Average value 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 Standardization of potentiometer is done in order that, they become accurate and direct reading. accurate and precise. precise. accurate. accurate and direct reading. accurate and precise. precise. accurate. 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 252 V. 250 V. 248 V. 260 V. 252 V. 250 V. 248 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP