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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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