Question
Physics Question on Force Between Two Parallel Currents
Two charges 5 µC and -2 µC (with no external field) are placed at (-9 cm, 0, 0) and (9 cm, 0, 0) respectively. The work required to separate the two charges infinitely away from each other is :
A
-0.5 J
B
0.5 J
C
5 J
D
-5 J
Answer
0.5 J
Explanation
Solution
The correct option is (B):0.5 J