why is it said that the three charges must not be of same sign?
what if we take 1st,2nd,3rd all positive and keep 2nd at midpnt of 1st and 3rd..obviously 2nd will have same repulsion force in both the direction by 1st and 3rd than its in equilibrium as net force=0 than y is it said so?
6 years ago
by
ADITYA ZALA