Q. Three infinitely long parallel straight current carrying wires A, B and C are kept at equal distance from each other as shown in the figure . The wire C experiences net force F .The net force on wire C, when the current in wire A is reversed will be
![](https://www.schoollearners.com/wp-content/uploads/2021/10/Q39.jpg)
(i) Zero
(ii) F/2
(iii) F
(iv) 2F
Answer: (i) Zero
![](https://www.schoollearners.com/wp-content/uploads/2021/10/Q39a.jpg)
![](https://www.schoollearners.com/wp-content/uploads/2021/10/Q39b.jpg)
![](https://www.schoollearners.com/wp-content/uploads/2021/10/Q39c.jpg)