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Q.

If 3 charges are placed at the vertices of equilateral triangle of charge ‘q’ each. What is the net potential energy, if the side of equilateral Δ is 1 cm

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a

14πε0q2l

b

14πε02q2l

c

14πε03q2l

d

14πε04q2l

answer is C.

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Detailed Solution

U=14πε0.Q1Q2r; net potential energy Unet=3×14πε0.q2l
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