Suppose that you place a loop with its face perpendicular to a uniform magnetic field. If the magnetic field points directly at you as you look at the loop, in what direction does the induced current flow around the loop if
-(b) the magnetic field increases in magnitude with time.
A) The induced current flows clockwise.
B) The induced current flows counterclockwise.
C) No current flows in the loop.
D) A current flows, but one needs additional information to determine the direction in which it flows.
E) One needs additional information to determine even whether a current flows or not.

Question

Quizplus · Accepted Answer

When the magnetic field increases in magnitude and is directed towards you, the induced current will flow in a direction to oppose the change according to Lenz's Law. This means it will create a magnetic field pointing away from you, which requires a clockwise current when viewed from your perspective.

Suppose That You Place a Loop with Its Face Perpendicular