Question

A long cylindrical wire of radius R carries a uniform current I flowing through it. The variation of magnetic field with distance ‘r’ from the axis of the wire is shown by

• A.
• B.
• C.
• D.

Answer 1

Answer: (C)

Answer 2

The correct option is (C):
The magnetic field increases as the point moves closer to the boundary of the wire and decreases as it moves away from the boundary of the wire.