Answer / aadi

ElectromotiveForce,Voltage, and Potential
Difference...virtually are the same, except that...
EMF is more of an Electrical term,in terms of the force req.
to move a charge from a point to another, ...
Voltage is the Electric Potential of a point w.r.t ground...
...and Potential Difference is the difference in the
Electric potentials of two relative points...(since its
relative, it always has a + or a -!!)

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