Question

Mention the condition under which charge can move in a conductor. Name the device which is used to maintain this condition in a electric circuit for verifying ohms law.

Answer 1

Potential Difference is the condition and Cell or Battery is the device

Answer 2

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Charge can move in a conductor only when a potential difference is maintained between its ends .

A cell or a battery is used to maintain potential difference and hence , there is a flow of electric charges in an electric circuit .

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