To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken Options: A . &nbspFrom a source which is not the same as the unknown voltage B . &nbspFrom a battery C . &nbspFrom the same source as the unknown voltage D . &nbspAny of the above

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that

Question

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

Options:

A . From a source which is not the same as the unknown voltage

B . From a battery

C . From the same source as the unknown voltage

D . Any of the above

Answer: Option C

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