Question

What is the angle between electric field and equipotential surface?

• A. $90^{\circ}$ always
• B. $0^{\circ}$ always
• C. $0^{\circ}$ to $90^{\circ}$
• D. $0^{\circ}$ to $180^{\circ}$

Answer 1

Answer: (A)

$90^{\circ}$ always

Answer 2

Electric field is always perpendicular to the equipotential surface at any point