Question

The electromotive force of a battery is defined as
a) the potential difference across its terminals
b) its ability to move electrons around the circuit
c) the work done to move a unit positive charge around the closed circuit
d) all the above

Answer 1

Explanation:

Electromotive force, abbreviation E or emf, energy per unit electric charge that is imparted by an energy source, such as an electric generator or a battery. Energy is converted from one form to another in the generator or battery as the device does work on the electric charge being transferred within itself.

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