Two small spherical balls each carrying a charge Q = 10 μC( 10 micro = coulomb) are suspended by two insulating threads of equal lengths 1 cm each
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Two small spherical balls each carrying a charge Q = 10 μC( 10 micro = coulomb) are suspended by two insulating threads of equal lengths 1 cm each, from a point fixed in the ceiling. It is found that in equilibrium threads are sepreated by an angle 60∘ between them, as shown in figure. What [...]