Magnetic field induction at any point outside a toroid is ……………… .

Biot Savart's law deals with the magnetic field induction at a point due to a………………. .

Define Magnetic Induction at any point?

There is a thin conducting wire carrying current. What is the value of magnetic field induction at any point on the conductor itself?

Find out the expression for the magnetic field at a point on the axis of a toroid of N turns having average redius r and carrying a corrent I . Show that the magnetic field in the open space inside and outside the toroid is zero.

The magnetic field induction at a point due to a current element is given by

Magnetic field inside the toroid is

The magnetic induction at any point due to a short magnetic dipole is

What is a toroid? Calculate the magnetic induction at a point due to current in toroid.