Using the formula B = µ0iΩ from the problem 9.3.7 solve the following prob-
∥ 4π
lems:
a. Determine the magnetic field induction of an infinitely long strip of width
2h at a point above the median line of the strip at a distance h from this line,
if a current of linear density i flows along the strip.
b. Determine the magnetic field induction along the axis of an infinitely long
cylinder, along the surface of which a transverse current of linear density i
flows.
c. A current of density j flows through a straight, long conductor whose cross
— section is a regular triangle with side a. Determine the magnetic field
induction on the edges of the conductor.