A 200-Cm Length of Wire Is Aligned Along the X Axis

Multiple Choice

A 20.0-cm length of wire is aligned along the x axis and carries 5.0 mA of current. The wire is in a region where the uniform magnetic field is given by 1.5(i + 3j + 4k) mT. The net force on the wire is

A) 1.5 $\mu$ N.
B) 3.0 $\mu$ N.
C) 4.5 $\mu$ N.
D) 7.5 $\mu$ N.