Electrostatics

Question: Two unlike charges of magnitude $q$ are separated by a distance $2d$. The potential at a point midway between them is

1) Zero

2) $\frac{1}{{4\pi {\varepsilon _0}}}$

3) $\frac{1}{{4\pi {\varepsilon _0}}}.\frac{q}{d}$

4) $\frac{1}{{4\pi {\varepsilon _0}}}.\frac{{2q}}{{{d^2}}}$

Solution:

Explanation: Explanation

electric-field-potential

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