7.3: Electric Potential and Potential Difference - Physics LibreTexts
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WEBSep 12, 2022 · The electric potential difference between points A and B, \(V_B - V_A\) is defined to be the change in potential energy of a charge q moved from A to B, divided by the charge. Units of potential difference are joules per coulomb, given the name volt (V) after Alessandro Volta .
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