APFIVE Magnetic Force on a Semicircular Wire
A flexible wire carrying 8.0 A is bent into a semicircle of radius 6.0 cm and placed in a uniform magnetic field of 0.25 T directed perpendicular to the plane of the semicircle. What is the magnitude of the net force on the wire?
A
0.24 N
B
2.4 × 10⁻² N
C
7.5 × 10⁻² N
D
4.8 × 10⁻² N
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