Two charges of -1 C and 2 C are positioned on a line at points -2 and 2 , respectively. What is the net force on a charge of 2 C at 1 ?
1 Answer
Feb 9, 2017
The answer is
Explanation:
We all know that they will exert force equal to
So we can put
As sign is never considered and r = 4 from -2 to +2..and
You will get