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Two small balls having equal positive charge $q$ coulomb are suspended by two insulating strings of equal length l metre from a hook fixed to a stand. The whole set up is taken in a satellite into space where there is no gravity. What is the angle between the two strings and the tension in each string?

1 Answer

Tension in each string $=\large\frac{1}{4 \pi \in_0} \frac{q^2}{(2l)^2}$$N$
answered Jun 5, 2014 by meena.p