Which of the following statements is NOT TRUE? a. Work done to move a… | MHT CET 2026 (11 Apr, Shift 1)

Q7MHT CET 2026 · 11 APR · SHIFT 1Easy

Electric Potential & Equipotentials

Which of the following statements is NOT TRUE?

a. Work done to move a charge on an equipotential surface is not zero.

b. Equipotential surfaces are the surfaces where the potential is constant.

c. Equipotential surfaces for a uniform electric field are parallel and equidistant from each other. d. Electric field is always perpendicular to an equipotential surface.

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Answer: (b)

a: on an equipotential surface $W = q\Delta V = 0$ , so a is NOT true.
b: true by definition.
c: true, for uniform $E$ the surfaces are parallel planes equally spaced for equal $\Delta V$ .
d: true, $E$ has no component along the surface.
So the answer is (b) a.

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