Multiple Choice
A wire of radius 0.35 cm carries a current of 75 A that is uniformly distributed over its cross-sectional area. The magnitude of the magnetic field B at the surface of the wire is approximately
A) 8.4 mT.
B) 4.3 mT.
C) 6.7 mT.
D) 2.3 mT.
E) 5.7 mT.
Correct Answer:
Verified
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