Question

ELECTROMOTIVE FORCE (EMF) AND
POTENTIAL DIFFERENCE​

Answer 1

The electromotive force[e.m.f] of a cell is defined as the energy spent, or the work done per unit charge in taking a positive test charge around the complete circuit of the cell(i.e in the circuit outside the cell, as well as in the electrolyte inside the cell)...

The(electric) potential difference( or voltage)[ΔV] between two points in an electric circuit is defined as the work done in moving unit positive charge from one point to the other against the forces of the field...

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