Question

1. find and expression for the magnetic field at points
on the axis of a circular
current Ioop​

Answer 1

Answer:

B= magnetic permiabillity*current *R^2(radius)/2(R^2+x^2)^3/2

for a circular loop on the loop (put x=0) on above eqn

magnetic field =

magnetic permiabillity*current/2*R