To measure an A. C. voltage by using an A.C. potentiometer, it is desi – McqOptions

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1.	To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken
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» D. any of the above

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