Question Detail

PHY 102 Test Compilation PHY 102 21 Objective Question

Question

The electric field associated with a uniformly charged hollow metallic sphere is the greatest at:
Options
A the center of the sphere
B the sphere's outer surface
Correct Answer
C the sphere's inner surface
D infinity
Correct Answer

Option B is the correct answer.

Detailed Explanation

Inside a hollow charged conductor the field is ZERO everywhere. Outside, the field behaves like that of a point charge at the centre (E = kQ/r2), which decreases as r grows. So the field is at its maximum right AT the outer surface.

Hint

Inside a hollow charged conductor the field is ZERO everywhere.

Question Info