Force of attraction between two point charges `Q` and `-Q`  separated by `d metre is F_(e )`.
Channel: Doubtnut
Date: 2021-11-02

Force of attraction between two point charges `Q` and `-Q`  separated by `d metre is F_(e )`. When these charges are placed on two identical spheres of radius `R = 0.3 d` whose centres are `d metre` apart , the force of attraction between them is