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Answer:
electro motive force (emf) is the amount of work required to move a unit electric charge between two points
Electro Potential is the amount of work required to move a unit electric charge between two points.
Electric potential, the amount of work needed to move a unit charge from a reference point to a specific point against an electric field.
The work W done in moving the positive charge through a distance d is
W = F′d
= −qEd.
Electric potential is measured in joules per coulomb (i.e., volts),
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