APFIVE Magnetic Force on a Semicircular Wire
A wire carrying a current of 2.0 A is bent into a semicircle of radius 10 cm. The wire is placed in a uniform 0.40 T magnetic field that is perpendicular to the plane of the semicircle. What is the magnitude of the net force on the wire?
A
2.5 × 10⁻² N
B
1.6 × 10⁻¹ N
C
8.0 × 10⁻² N
D
0 N
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