An electron is shot through a spot somewhere between the ends of a horseshoe magnet.The electron
A)is unaffected by the field.
B)is attracted to one of the poles,and repelled by the other.
C)is repelled by both poles,and therefore is turned back.
D)speed is increased.
E)direction is changed.

Question

Quizplus · Accepted Answer

The magnetic field exerts a force perpendicular to the velocity of the electron, changing its direction but not its speed.

An Electron Is Shot Through a Spot Somewhere Between the Ends