Question

Give me a short note on EMF [ELECTROMOTIVE FORCE].

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Answer 1

Answer:

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.

One terminal of the device becomes positively charged, the other becomes negatively charged.

The work done on a unit of electric charge, or the energy thereby gained per unit electric charge, is the electromotive force.

Electromotive force is the characteristic of any energy source capable of driving electric charge around a circuit. It is abbreviated E in the international metric system but also, popularly, as emf.

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