Q1.1Multiple choice
In Fig.1.1, two positive charges q 2 and q 3 fixed along the y axis, exert a net electric force in the + x direction on a charge q1 fixed along the x axis. If a positive charge Q is added at (x, 0), the force on q1 y y q2 q2 x x q1 O q1 O (x, 0) q3 q3
This question refers to a figure in the original PDF.
- (a)
- (b)Fig. 1.1 (a) shall increase along the positive x-axis. (b) shall decrease along the positive x-axis.
- (c)shall point along the negative x-axis.
- (d)shall increase but the direction changes because of the intersection of Q with q2 and q 3.