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NEET 2001 Physics question

PhysicsCurrent ElectricityNEET 2001

The resistance of each arm of the wheat stone bridge is 10 ohm. A resistance of 10 ohm is connected in series with galvanometer then the equivalent resistance across the battery will be :

Answer: (1)

Solution

With all four arms equal (10 each), the bridge is balanced, so the potential difference across the galvanometer branch is zero and no current flows through it. The additional 10

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Question ID VK-088777