Q. Two charged spheres of radii $10\ cm$ and $15\ cm$ are connected by a thin wire. No charge will flow, if they have
A) The same charge on each
B) The same potential
C) The same energy
D) The same field on their surface
Explanation
(b) Because current flows from higher potential to lower potential
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.