Two charges lie on the x axis,+3q at the origin,and -2q at x = 5.0 m.The point on the x axis where the electric potential has a zero value (when the value at infinity is also zero)is
A)1.0 m.
B)2.0 m.
C)2.5 m.
D)3.0 m.
E)4.0 m.

Question

Quizplus · Accepted Answer

The electric potential is zero where the potentials due to both charges cancel each other out. By setting up the equation for the potential due to both charges and solving for the position, we find that it is at 3.0 m.

Two Charges Lie on the X Axis,+3q at the Origin,and