Name a device that helps to maintain a potential difference across a conductor?
varsharai005:
Any source of electricity like battery,cell or power supply help to maintain a potential difference across a conductor
ya u r correct
yes ryt
hmn
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Any source of electricity like battery, cell, power supply, etc. helps to maintain a potential difference across a conductor.
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Voltmeter is a device that maintains a potential difderence across a conductor
voltmetre is an instrument for measuring electric potential in volts.
It does not maintain potential difference across a conductor
your ans is not correct
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