The angle between the electric lines of force and the equipotential surface is :

1. \(180°\)

2. \(0°\)

3. \(45°\)

4. \(90°\)

Doubtly Asked 30 Oct 2026 NEET UG 2022 Practice test neet Save WhatsApp Report

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Answer: 4. \(90°\)

Work done in moving a charge along an equipotential surface is zero, so the field has no component along the surface.

Hence electric field lines are always perpendicular to equipotential surfaces: the angle is \(90^\circ\). Option (4).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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