. Derive an expression for the magnetic field due to a circular loop at an axial point P distant x from its centre. Also give the expression for the magnetic field at the centre of the circular loop.

. Derive an expression for the magnetic field due to a circular loop a

1.	. Derive an expression for the magnetic field due to a circular loop at an axial point P distant x from its centre. Also give the expression for the magnetic field at the centre of the circular loop.
Answer» tion:For a circular coil of RADIUS R and N TURNS carrying current I, the magnitude of the magnetic FIELD at a POINT on its axis at a distance X from its centre is given by, B=2(x2+R2)3/2μ0IR2N

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. Derive an expression for the magnetic field due to a circular loop at an axial point P distant x from its centre. Also give the expression for the magnetic field at the centre of the circular loop.​

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. Derive an expression for the magnetic field due to a circular loop at an axial point P distant x from its centre. Also give the expression for the magnetic field at the centre of the circular loop.