The Magnetic Field Produced by a Long Straight Current-Carrying Wire

Multiple Choice

The magnetic field produced by a long straight current-carrying wire is

A) proportional to both the current in the wire and the distance from the wire
B) proportional to the current in the wire and inversely proportional to the distance from the wire.
C) inversely proportional to the current in the wire and proportional to the distance from the wire.
D) inversely proportional to both the current in the wire and the distance from the wire.
E) independent of both the current in the wire and the distance from the wire.