Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Ammeters only Wattmeter only Voltmeters only Both ammeter and voltmeter Ammeters only Wattmeter only Voltmeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because It is based on null balance technique. It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. None of above. It is based on null balance technique. It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. None of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 25 V. 200 V. 100 V. 50 V. 25 V. 200 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure Both AC and DC Ac power only None of the listed here Dc power only Both AC and DC Ac power only None of the listed here Dc power only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 µNm. 1 µNm. 200 µNm. 100 µNm. 2 µNm. 1 µNm. 200 µNm. 100 µNm. ANSWER DOWNLOAD EXAMIANS APP