Which of the following device is used for calibration of a potentiometer? Options: A . &nbspElectrochemical cell B . &nbspGalvanometer C . &nbspVariable dc source D . &nbspAll of the mentioned

Which of the following device is used for calibration of a potentiometer?

Question

Which of the following device is used for calibration of a potentiometer?

Options:

A . Electrochemical cell

B . Galvanometer

C . Variable dc source

D . All of the mentioned

Answer: Option A
Answer: (a).Electrochemical cell

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Question 1. Galvanometer is used for _________________....

Question 2. Power consumption of unknown source connected will be _____________....

Question 3. At null position, galvanometer reading will be _______________....

Question 4. A potentiometer cannot be used for calibration of ammeter.....

Question 5. Which of the following devices cannot be used potentiometer as calibrating device?....

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