Question

expression of magnetic field at axis of circular loop​

Answer 1

⠀⠀ ⠀ ⠀⠀ $\huge{\tt{\red{❥}\green{A}\purple{N}\pink{S}\blue{W}\orange{E}\red{R}}}$The magnetic field due to the circular current loop of radius a at a point which is a distance R away, and is on its axis, So B =2(R2+x2)23μoIx2........