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

What is a toroidal solenoid?

What is the value of L for a solenoid?

What is the difference between field produced by stationary charges and moving charges?

Explain the difference between a weak field ligand and a strong field ligand.

What is the basic difference between magnetic field and electric field?

What is the basic difference between magnetic field and electric lines of force?

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