The Current in a Wire Is Uniformly Distributed Over the Cross-Sectional

Multiple Choice

The current in a wire is uniformly distributed over the cross-sectional area of the wire.The radius of the wire is r.Where is the magnitude of the magnetic field generated by the current flowing through the wire greatest?

A) at the center of the wire
B) on the surface of the wire
C) at a perpendicular distance r from the surface of the wire
D) None are correct.