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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 

(1) 180o,14πε0Q2(2L)2

(2) 90o,14πε0Q2L2

(3) 180o,14πε0Q22L2

(4) 180o,14πε0Q2L2