A very long thin wire produces a magnetic field of 0.0050 × 10-4 T at a distance of 3.0 mm from the central axis of the wire. What is the magnitude of the current in the wire? (?0 = 4? × 10-7 T • m/

A)
A) 7.5 mA
B) 1.7 mA
C) 3300 mA
D) 24,000 mA


A

Physics & Space Science

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