Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is 4.20 V. Zero. - 3.33 V. 6.66 V. 4.20 V. Zero. - 3.33 V. 6.66 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Induction type Moving iron type Hot wire type Moving coil type Induction type Moving iron type Hot wire type Moving coil type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 0 A 2.5 A 5 A None of the listed here 0 A 2.5 A 5 A None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can be balanced if the resistance have some specific values The bridge can always be balanced The bridge cannot be balanced None of the listed here The bridge can be balanced if the resistance have some specific values The bridge can always be balanced The bridge cannot be balanced None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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