[单选题]
A wire carries a current of 10 A in a direvkqr*7 ho7c9 ection:-u)nzvr7bd ym0 +n b4jqy rb9pm3:dc of $30^{\circ}$ with respect to the direction of a 0.30-T magnetic field. Find the magnitude of the magnetic force on a 0.50-m length of the wire.
A. $0.75 \; N$
B. $1.5 \; N$
C. $3.0 \; N$
D. $6.0 \; N$
