A solid conducting cube is placed on your page near the left side and oriented square with the page. When the cube is moved toward the right side of the page, in a uniform magnetic field pointing out of the page, an emf develops between the two surfaces. Charges
A) continue to flow for as long as the cube moves.
B) flow until the charge separation creates an opposite force on the charges, after which the flow ceases.
C) oscillate back and forth between the relevant surfaces.
D) are not flowing in this case.

Question

Quizplus · Accepted Answer

When a conductor moves through a magnetic field, charges within it start to move, creating an initial current. This movement continues until the charge separation generates an electric field strong enough to counteract the magnetic force, causing the flow of charges to cease. This equilibrium is reached when the electric force balances the magnetic force, stopping further charge movement.

A Solid Conducting Cube Is Placed on Your Page near the Left