Potential Difference Definition Potential difference, V is defined as work done in moving a unit charge from point A to B in electric field. V
Formula
Potential Difference
=
work done ch arg e
Units used id voltage. Measuring tool is voltmeter (voltmeter must in parallel order). Meant 1 volt: The potential difference between two points is 1 volt if 1 joule of work is required to move a charge of 1 coulomb from one point to the others.