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Question

# Electromotive force represents

A

force

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B

energy

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C

energy per unit charge

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D

current

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Solution

## The correct option is C energy per unit charge Electromotive force is abbreviated as e.m.f.It is the work done or energy per unit charge.Electromotive force is sustained by a battery in a circuit.This lets the circuital current flow. The unit of e.m.f is joule per coulomb or volt.The $V=\frac{W}{q}$, where W is the work done or energy, q is the charge and V is the e.m.f.Hence option C is correct, Electromotive force represents energy per unit charge.

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