The magnetic field produced by a single wire decreases in a direct proportion to the distance from the source (1/d), as for electric fields .
(The magnetic field; produced; by a single wire) (The magnetic field produced by a single wire; decreases; L:in a direct proportion to the distance from the source (1/d), as for electric fields)
The magnetic field The magnetic field produced by a single wire
produced decreases
by a single wire
L:in a direct proportion to the distance from the source (1/d), as for electric fields