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

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

A
$180^{o}, \frac{1}{4 {πε}_{0}} \frac{Q^{2}}{{(2 L)}^{2}}$
B
$90^{o}, \frac{1}{4 {πε}_{0}} \frac{Q^{2}}{L^{2}}$
C
$180^{o}, \frac{1}{4 {πε}_{0}} \frac{Q^{2}}{2 L^{2}}$
D
$180^{o}, \frac{1}{4 {πε}_{0}} \frac{Q^{2}}{L^{2}}$

Solution:

The position of the balls in the satellite will become as shown below

Thus angle $θ$ = 180° and Force $= \frac{1}{4 {πε}_{0}} \cdot \frac{Q^{2}}{{(2 L)}^{2}}$

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