Science, asked by sunandadate123, 9 months ago

A device
that helps
to maintain
potential difference across the conductor
A) Rheostat
B) voltmeter
e Ammeter
D) Cell .

Answers

Answered by Anonymous

Answer:

voltmeter

Explanation:

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Answered by hitesh15550

D) cells.. actually it is a battery but no option for battery is here

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