Question

what is electric potential difference
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Answer 1

Answer:

Voltage, electric potential difference, electric pressure or electric tension is the difference in electric potential between two points. The difference in electric potential between two points in a static electric field is defined as the work needed per unit of charge to move a test charge between the two points.

Answer 2

Answer:

The potential difference across two ends of a given conductor is the total amount of work done in moving a unit positive charge between the two points.