Name a device that help to maintain a potential difference across a conductor??
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it can be a battery, a small cell or the power supply at your home. hope this helps.
Rishikesh9808:
No i think its Rheostat
i have. a small doubt
Anyway Thanks..
no it is not rheostat
rheostat is basically used to control the amount of current flowing through a circuit
it cannot maintain the potential difference
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HERE IS THE ANSWER
A source of such as cell,battery,power supply etc.It help to maintain a potential difference across a conductor
A source of such as cell,battery,power supply etc.It help to maintain a potential difference across a conductor
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