Q.
Two small spheres each having the charge +Q are suspended by insulating threads of length L from a hook. This arrangement is taken in space where there is no gravitational effect, then the angle between the two suspensions and the tension in each will be
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a
180o, 14πε0Q2(2L)2
b
90o, 14πε0Q2L2
c
180o, 14πε0Q22L2
d
180o, 14πε0Q2L2
answer is A.
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Detailed Solution
The position of the balls in the satellite will become as shown belowThus angle θ = 180° and Force =14πε0⋅Q2(2L)2
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