Q. A cube of metal is given a positive charge $Q.$ For the above system, which of the following statements is true
A) Electric potential at the surface of the cube is zero
B) Electric potential within the cube is zero
C) Electric field is normal to the surface of the cube
D) Electric field varies within the cube
Explanation
(c) Electric lines of force are always normal to metallic body
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.