Two small spheres each of mass 10 mg are suspended from a point by threads 0.5 m long. They are equally charged and repel each other to a distance of 0.20 m. The charge on each of the sphere is `(a)/(21) xx 10^(-8)C`. The value of 'a' will be _______.
[Given `g=10ms^(-2)`]

Two small spheres each of mass m are suspended from a common point by threads 0.5 m long. They are equally charged and repel each other to a distance of 0.28m. If =g10ms^(-2) , what is the charge on each sphere?

Two small spheres each of mass 10^(-6) kg are suspended from a point by silkk threads 50cm long. They are equally chareged and repel each other to a distance 20cm apart. Calculate charege on each Take g = 9.8 ms^(-2) .

Two pith balls , of mass 10 mg, are suspended from the same point,each by a silk fibre 50 cm long . When equal and similar changes are given to them, they are repelled to a distance of 10 cm from each other. Calculate the chagre on either ball .

Two similar and equal charges repel each other with force of 1.6 N. When placed 3m apart Strength of each charge is -

Three small balls, each of mass 10 gm are suspended separately from common point. by silk threads, each one meter long. The balls are identically charged and hang at the corners of an equilateral triangle of side 0.1. metre. Find the charge on each ball?

Two pith balls,, each weighting 10mg are suspended from the sam point by silk threads, each of length 0.25m. When equal and similar charges are placed on them they repel each other and are 10m apart. Find the charge on the each pith ball.

Two point charge +2 C and +6 C repel each other with a force of 12 N . If a charge of -2 C is given to each other of these charges , the force will now be

Two small spheres, each of mass 0.1 gm and carrying same charge 10^(-9) C are suspended by threads of equal length from the same point. If the distance between the centres of the sphere is 3 cm, then find out the angle made by the thread with the vertical. (g=10 m//s^(2)) & tan^(-1) (1/100) =0.6^(º)