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Express which of the following set ups c...

Express which of the following set ups can be used to verify Ohm's law.

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A

From above figure, it is clear that when resistance changes, then voltage V changes, hence current through ammeter (A) changes, Therefore, figure (a) verifies Ohm.s law.
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