Question

What is E.M.F.? * Explain *

Answer 1

E.M.F is an electromotive force . This is the energy provided by a cell or battery per coulomb of charge passing through it, it is measured in volts (V). It is equal to the potential difference across the terminals of the cell when no current is flowing.

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Answer 2

Electromagnetic field. an electric field that a magnet forms is called Electromagnetic Field.
The more is the strength of magnet the more is the electric current forms.