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Lenz's Law

Two small bal...

Question

Two small balls each having a positive charge q coulomb is suspended by two insulated strings of equal length l meter from a hook fixed to a stand.the whole setup is taken in a satellite into space where there is no gravity. The angle between tension in each string will be _.

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Solution

The position of the balls in the satellite will become horizontal as they tend to move away from each as far as possible
Thus angle
θ=180∘
and Force =14πϵ0.Q2(2L)2

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