Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrostatic instruments Electrodynamo meter instruments Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments PMMC instruments ANSWER DOWNLOAD EXAMIANS APP
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% 1% 1.5% 2.5% 2% 1% 1.5% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 10 MΩ 1 MΩ 0 100 MΩ 10 MΩ 1 MΩ 0 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. 2 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because None of above. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only AC only Any of the listed here Both DC and AC DC only AC only Any of the listed here Both DC and AC ANSWER DOWNLOAD EXAMIANS APP