Definition of Electric Potential - Implications
Definition of Electric Potential
The MKS unit of electric potential is the volt.
The same unit you see on light bulbs.
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If a test charge q is placed where the electric potential is V, then its electrical potential energy is
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Because the dependence on the test-charge has been divided out, the electric potential depends only on position.
It can be thought of as a property of space.
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The difference between the potentials at two different points measures the work needed to move a unit charge between those points.
It is usually potential differences which are significant.
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