Two small balls, each having equal positive charge `Q` are suspended by two insulationg strings of equal length `l` from a hook fixed to a stand. It mass of each ball `=m` and total angle between the two strings is `60^(@)`m, then find the charge on each ball.

Options

A. `Lsqrt((sqrt(3)mg)/k)`
B. `Lsqrt((mg)/(sqrt(3)k))`
C. `Lsqrt((mg)/k)`
D. `L/3sqrt((mg)/k)`

Answer

C

Explanation

Apply Lami.s theorem