Multiple Choice
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 μT at a point P, a certain distance away from the wire. How far is this point from the center of the wire?
A) 2 cm
B) 3 cm
C) 4 cm
D) 5 cm
E) 6 cm
Correct Answer:

Verified
Correct Answer:
Verified
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