Physics, asked by sanjaysable7114, 10 months ago

Why do driving cell whose emf is taken greater than the emf of primary cell in potentiometer?

Answers

Answered by vidhi20oct

1

Answer:

to obtain balance point..

otherwise balance point or null point cannot be obtained

Answered by furqaanmir

0

cell . A device to maintain a steady current in a electric circuit is electrolytic cell.

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