Two parallel wires in free space are 10 cm apart and each carries a current of 10 amperes in the same direction. The force on the wire exerts on the other, per meter of length
(A) 2 x 10-4 N attractive
(B) 2 x 10-7 N attractive
(C) 2 x 10-4 N repulsive
(D) More than one of the above
(E) None of the above