Two long and parallel straight wires A and B, carrying currents of 8.0 A and 5.0 A in the same direction, are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A
A) 2×10−5N
B) 3×0−5N
C) 4×10−5N
D) 5×10−5N