Electromotive force is defined as the electric potential produced by either electrochemical cell or by changing the magnetic field. EMF is the commonly used acronym for electromotive force.
The electromotive force symbol is ε.
Following is the formula for electromotive force: ε = V + Ir
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☆ the amount of work done 2 movie unit positive charge from your negative terminal to positive terminal is known as electromotive force of the cell
(or)
☆ the energy supplied by a battery to drive a unit charge around the circuit is defined as electromotive force
the units of EMF is volt