(a) Name a device which helps to maintain potential difference across – InterviewSolution

1.	(a) Name a device which helps to maintain potential difference across a conductor (say, a bulb). (b) If a potential difference of 10 V causes a current of 2 A to flow for 1 minute, how much energy is transferred?
Answer» (a) Name a device which helps to maintain potential difference across a conductor (say, a bulb). (b) If a potential difference of 10 V causes a current of 2 A to flow for 1 minute, how much energy is transferred?

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