Question

Two point charges are placed on the x-axis. The charge +2q is at x = 1.5...

Two point charges are placed on the x-axis. The charge +2q is at x = 1.5 m, and the charge −q is at x = −1.5 m.

(a) There is a point on the x-axis between the two charges where the electric potential is zero. Where is this point?
x = ______________ m
(b) The electric potential also vanishes in one of the following regions. Identify the appropriate region.

Is it:
Region 1: 5.0 m > x > 1.5 m
OR
Region 2: −1.5 m > x > −3.0 m
OR
Region 3: −3.5 m > x > −5.0 m


(c) Find the value of x referred to in part (b).
x = ______________m

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