A long straight wire (diameter = 2.0 mm) carries a current of 25 A. What is the magnitude of the magnetic field 0.50 mm from the axis of the wire?
A) 5.0 mT
B) 10 mT
C) 0.63 mT
D) 2.5 mT
E) 0.01 mT

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The Answer of A long straight wire (diameter = 2.0 mm) carries a current of 25 A. What is the magnitude of the magnetic field 0.50 mm from the axis of the wire?
A) 5.0 mT
B) 10 mT
C) 0.63 mT
D) 2.5 mT
E) 0.01 mT

A Long Straight Wire (Diameter = 2