Two thin, long, parallel wires, separated by a distance 'd' carry a current of 'i' A in the same direction. They will

Options

A. Attract each other with a force of `mu_(0)i^(2)//(2pid^(2))`
B. Repel each other with a force of `mu_(0)i^(2)//(2pid^(2))`
C. Attract each other with a force of `mu_(0)i^(2)//(2pid)`
D. Repel each other with a force of `mu_(0)i^(2)//(2pid)`

Answer

C