Question
Question: A cube of a metal is given a positive charge Q. For the above system, which of the following stateme...
A cube of a 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
Answer
Electric field is normal to the surface of the cube
Explanation
Solution
Electric lines of force are always normal to metallic body.