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A potentiometer is an accurate and versa...

A potentiometer is an accurate and versatile device to make electrical measurements of `E.M.F.` because the method involves

A

Cells

B

Potential gradients

C

A condition of no current flow through the galvanometer

D

A combination of cells, galvanometer and resistance

Text Solution

Verified by Experts

The correct Answer is:
D
Potentiometer is more accurate because it doesn.t draw any current at the balance point.
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