Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from Any of above. A battery. A source other than the source of unknown voltage. The same source as the unknown voltage. Any of above. A battery. A source other than the source of unknown voltage. The same source as the unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. (Rc/Ra).Rb. (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. (Rc/Ra).Rb. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. A is ture and R is false. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is false and R is ture. A is ture and R is false. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is false and R is ture. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Energy meter. Instrument transformer. Power factor meters. Wattmeters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Secondary instrument Recording instrument Integrating instrument Absolute instrument Secondary instrument Recording instrument Integrating instrument Absolute instrument ANSWER DOWNLOAD EXAMIANS APP
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