Four electric charges + q, + q, -q and - q are placed at the corners of a square of side…

Physics · Class 12 · CBSE — Electrostatic Potential & Capacitance

1. \(\frac{1}{4 \pi \varepsilon_{0}} \frac{2 q}{L}\left(1-\frac{1}{\sqrt{5}}\right)\)
2. \(\frac{1}{4 \pi \varepsilon_{0}} \frac{2 q}{L}(1+\sqrt{5})\)
3. \(\frac{1}{4 \pi \varepsilon_{0}} \frac{2 q}{L}\left(1+\frac{1}{\sqrt{5}}\right)\)
4. zero

Answer

(C) 1 4 _ 0 2 q L (1+ 1 5 )

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