Two unlike charges of magnitude $q$ are separated by a distance $2d$. The potential at a point midway between them is
Two unlike charges of magnitude $q$ are separated by a distance $2d$. The potential at a point midway between them is
- A
Zero
- B
$\frac{1}{{4\pi {\varepsilon _0}}}$
- C
$\frac{1}{{4\pi {\varepsilon _0}}}.\frac{q}{d}$
- D
$\frac{1}{{4\pi {\varepsilon _0}}}.\frac{{2q}}{{{d^2}}}$
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