Q 12-02-016NEETNEET 2020Top questionEasy
In a certain region of space with volume $0.2\ \text{m}^3$, the electric potential is found to be $5$ V throughout. The magnitude of electric field in this region is :
Answer: (A) zero
Concept. $E = -\nabla V$.
Step 1. Constant $V$. Zero gradient: $E = 0$.
Answer. zero (Option A).
Solution by Sreeraj P, M.Sc Physics