A second electron (see the previous question) travels along a straight path (in step with the first electron) from left to right in the plane of your test paper. The consequent electrical force on the second electron at a point on your test paper is in the direction
A) out of the paper, toward the reader.
B) into the paper, away from the reader.
C) toward the top of the paper, in its plane.
D) toward the bottom of the paper, in its plane.

Question

Quizplus · Accepted Answer

The direction of the electrical force on the second electron, due to the first electron moving in the same direction, is radially outward in a plane perpendicular to their motion. Since the electrons are moving in the plane of the paper from left to right, the electrical force on the second electron would be out of the paper, toward the reader.

A Second Electron (See the Previous Question) Travels Along a Straight