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General Science • PhysicsEasy

What is the SI unit of electric potential difference?

A. Ampere
B. Volt✓ Correct Answer
C. Ohm
D. Coulomb

💡 Solution & Explanation

The volt is the standardized International System of Units designation for electric potential difference, electromotive force, and electrical voltage. Other units measure distinct electrical parameters, with amperes measuring electric current and ohms measuring electrical resistance. One volt is defined as one joule of energy dissipated per coulomb of charge.

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