Three equal charges are placed on the three corners of a square. If the force between q1 and q2 is F12 and that between q1 and q3 is F13, the ratio of magnitudes F12F13 is

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1/2

answer is B.

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Detailed Solution

F12=14πε0⋅q2a2 and F13=14πε0⋅q2(a2)2⇒F12F13=2

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