Solution to task 410 from Chertov´s for extramural stud

Solution to task 410 from Chertov´s for extramural stud

410. An infinitely long wire with a current I = 50 A is bent as shown in Fig. 58. Determine the magnetic induction B at point A, lying on the bisector of the right angle at a distance d = 10 cm from its vertex.