alleryThe SI unit of electric potential is
Anewton per coulomb
Bvolt-metre
Cjoule per coulomb
Dcoulomb per joule
Answer & Solution
Correct answer: C. joule per coulomb
1. Electric potential at a point = work done per unit positive charge to bring it from infinity to that point.
2. So units are J / C, which is named the volt (V).
3. (A) is the unit of electric field, (C) is field × distance, (D) is the reciprocal of potential.
_Source: syllabus Physics Part I, Ch 2 'Electrostatic Potential and Capacitance' §2.2_
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