2023TrialMultiple choice
Q20
1 mark
Question
An isolated spherical conductor is charged. The conductor has a radius and an electric potential . The electric field strength at its surface is .
Point is a distance from the surface.
What are the electric field strength and electric potential at ?
| Electric field strength | Electric potential | |
|---|---|---|
| (A) | ||
| (B) | ||
| (C) | ||
| (D) |

Syllabus alignment
Module 6 · Electromagnetism
- Charged Particles, Conductors and Electric and Magnetic FieldsAnalyse forces, acceleration, work and trajectories of charges in uniform electric fields, including parallel plates.