Multiple Choice
The magnitude of a magnetic field a distance 3.0 µm from a wire is 20.0 × 10-4 T.How much current is flowing through the wire? Assume the wire is the only contributor to the magnetic field.
A) 30 mA
B) 188 mA
C) 19 mA
D) 377 mA
Correct Answer:
Verified
Correct Answer:
Verified
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