Electrostatics Question 761
Question: A cube of a metal is given a positive charge Q. For this system, which of the following statements is true?
Options:
A) Electric potential at the surface of the cube
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
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Surface of metallic cube is an equipotential surface. Therefore, electric field is normal to the surface of the cube.
