Question

The importance of electromotive force

Answer 1

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Electromotive force, or, as it is often written, e.m.f., may be described as that source of energy which enables electrons to move around an electric circuit. It is now necessary to define this quantity. For anything to move from rest, there must be some energy change.

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Answer 2

Explanation:

electromagnetism and electronics, electromotive force, is the electrical action produced by a non-electrical source. Devices provide an emf by converting other forms of energy into electrical energy, such as batteries or generators. Sometimes an analogy to water pressure is used to describe electromotive force.