Four equal point charges Q each are... | Electrostatics

JEE MAIN 2019

10-01-2019 S2

Question

Four equal point charges Q each are placed in the xy plane at (0, 2), (4, 2), (4, –2) and (0, –2). The work required to put a fifth charge Q at the origin of the coordinate system will be:

Select the correct option:

$\frac{\mathrm{Q}^2}{2 \sqrt{2} \pi \varepsilon_0}$

$\frac{\mathrm{Q}^2}{4 \pi \varepsilon_0}\left(1+\frac{1}{\sqrt{3}}\right)$

$\frac{\mathrm{Q}^2}{4 \pi \varepsilon_0}$

$\frac{\mathrm{Q}^2}{4 \pi \varepsilon_0}\left(1+\frac{1}{\sqrt{5}}\right)$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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