Which of the following devices cannot be used potentiometer as calibrating device? Options: A . &nbspWattmeter B . &nbspEnergy meter C . &nbspVoltmeter D . &nbspAmmeter

Which of the following devices cannot be used potentiometer as calibrating devic

Question

Which of the following devices cannot be used potentiometer as calibrating device?

Options:

A . Wattmeter

B . Energy meter

C . Voltmeter

D . Ammeter

Answer: Option B
Answer: (b).Energy meter

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