Q. A conducting sphere of radius $R = 20\ cm$ is given a charge $Q = 16\mu C.$ What is $\overrightarrow{E}$ at centre
A) $3.6 \times 10^{6}\ N/C$
B) $1.8 \times 10^{6}\ N/C$
C) Zero
D) $0.9 \times 10^{6}\ N/C$
Explanation
(c) Electric field inside a conductor is always zero
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.