Q. In a certain region of space with volume 0.2 $m^3$, the electric potential is found to be 5 V throughout. The magnitude of electric field in this region is :
A) 0.5 N/C
B) 1 N/C
C) 5 N/C
D) zero
Explanation
[Solution] $E = -dV/dr$; with constant potential, E = 0. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.