What is a toroidal solenoid?

Using Ampere's circuital law, derive an expression for the magnetic field along the axis of a toroidal solenoid.

What is the difference in the field of a toroid and a solenoid?

Applying Ampere's circuital law, find magnetic field due to toroidal solenoid.

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

What is the solenoid? Give magnitude of magnetic of magnetic field is applied on it?