in what respect is a toroid different from a solenoid ? draw and compare the pattern of magnetic field lines in the 2 cases
Solenoid is a straight coil having uniform number of turns per unit length.
A Toroid is an endless Solenoid.It is in the form of Hollow sphere, having large number of turns.
A Toroid is an endless Solenoid.It is in the form of Hollow sphere, having large number of turns.