Question

A symmetric star shaped conducting wire loop is carrying a steady state current i the distance between the diametrically opposite vertices of the star is 4a the magnitude of the magnetic field at the centre of the loop is

Answer 1

A symmetric star shaped conducting wire loop is carrying a steady state current I as shown in the figure. The distance between the diametrically opposite vertices of the star is 4a. The magnitude of the magnetic field at the center of the loop in