A long cylindrical wire (radius = 2.0 cm) carries a current of 49 A that is uniformly distributed over the cross-section of the wire. What is the magnitude of the magnetic field at a point which is 1.5 cm from the axis of the wire?
R= Radius =2 cm = 0.02 m
r = 1.5 cm = 0.015 m
B= magnitude magnatic field
We know that,
B= 0.37 mT
The magnitude magnatic field is = 0.37 mT
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