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[" which are the initial charges on the ...

[" which are the initial charges on the two sprieres."],[" Example "18." Two small spheres each having mass "m" kg "],[" and charge "9" coulomb are suspended from a point by "],[" insulating threads each "l" metre long but of negligible mass.If "],[theta" is the angle,each thread makes with the vertical when "],[" equilibrium has been attained,show that "],[qquad q^(2)=(4mgl^(2)sin^(2)theta tan theta)4 pi varepsilon_(0)quad " [Punjab "95]]

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