Two long parallel wires kept 2 m apart carry 3A current each. in the same…………..

These are the options for the question :Two long parallel wires kept 2 m apart carry 3A current each. in the same direction. The force per unit length on one wire due to the other is

(A) 4.5x 10- Nm * attractive
(B) 4.5 x 10.7 N/m. repulsive
(C) 9 x 107 N/m. repulsive
(D) 9x 10 ° N/m. attractive

The correct answer is -(B) 4.5 x 10.7 N/m. repulsive