A Wire Carries 5 $\mu$ N/m
C) 6 $\mu$ N/m
D) 7 $\mu$

Multiple Choice

A wire carries 5.00 mA of current in a region where the uniform magnetic field strength is 1.50 mT. If the angle between the wire and the magnetic field is 30°, the net force per unit length on the wire is

A) zero.
B) 3.75 $\mu$ N/m.
C) 6.50 $\mu$ N/m.
D) 7.50 $\mu$ N/m.