Лаг1989 задача №16.46

In an infinite straight hollow circular cylinder, a constant current I=30A passes parallel to the axis of the cylinder, which is evenly distributed over its surface. Find the magnetic induction B: a) at an arbitrary point inside the cylinder; b) at a point outside the cylinder, located at a distance r = 20 cm from its axis

Thank you for your purchase. If you have any questions, then write to the mail (see "Seller Information")