Charge on conductors: An uncharged conductor has a hollow cavity inside of it. Within this cavity there is a charge of +10 µC that does not touch the conductor. There are no other charges in the vicinity. Which statement about this conductor is true? (There may be more than one correct choice.)

Question

Quizplus · Accepted Answer

According to the principle of electrostatics, the electric field inside the conductor is zero, therefore the +10 µC of charge must reside on the outer surface of the conductor, leaving an equal and opposite charge of -10 µC on the inner surface. The remaining choices are incorrect as they violate the principle of conservation of charge or the electrostatic equilibrium of the conductor.

Charge on Conductors: an Uncharged Conductor Has a Hollow Cavity