Consider a toroid of circular cross - section of radius b, major radius R much greater than minor radius b, (see diagram) find the total energy stored in magnetic field of toroid -

Consider a torod , having a circular cross-section of radius b, major radius R ( R > > b), having N turns and carrying current I. Find the total energy stored in the toroid.

Derive an expression for the self-inductance of a toroid of circular crosssection of radius r and major radius R. Calculate the self inductance (L) of toroid for major radius(R) = 15 cm, crosssection of toroid having radius (r) = 2.0 cm and the number of turns (n) = 1200.

A toroid of 4000 turns has outer radius of 26 cm and inner radius of 25 cm. If the current in the wire is 10 A, calculate the magnetic field of the toroid

A toroid of 4000 turns has outer radius of 26 cm and inner radius of 25 cm. If the current in the wire is 10 A. Calculate the magnetic field of the toroid.

For toroid of mean radius 20 cm, turns = 240 and a current of 2A. What is the value of magnetic field within toroid ?

For toroid of mean radius 20 cm, turns = 240 and a current of 2A. What is the value of magnetic field within toroid ?

The magnetic field inside a toroidal solenoid of radius R is B. If the current through it is doubled and its radius is also doubled, keeping the number of turns same, the magnetic field produced by it will be