Home
Class 12
PHYSICS
An iron ring of mean circumferential len...

An iron ring of mean circumferential length 30 cm and cross-section 1 `cm^(2)` is wound uniformly with 300 turns of wire . When a current of `0.032` A flows in the windings , flux in the ring `2 xx 10^(-6) `Wb . Find the flux density in the ring , magnetising field intensity and relative permeability of iron.

Promotional Banner

Similar Questions

Explore conceptually related problems

A material core has 10 turns per cm of wire wound uniformly upon it which carries a current of 2.0 A. The flux density in the material is 1.0 WB m^(-2) . Find the magnetising field intensity and magnetisation of the material. What is the relative permeability of the core ?

A magnetising field of 2xx10^(3)Am^(-1) produces a magnetic flux density of 8piT in an iron rod. The relative permeability of the rod will be

A magnetising field of 2xx10^(3)Am^(-1) produces a magnetic flux density of 8piT in an iron rod. The relative permeability of the rod will be

An iron ring of relative permability mu_r has windings of insulated copper of wire of n tunrs per metre. When the current in the windings is I, find the expression for the magnetic field in the ring.

An iron rod of cross-section area 4cm^(2) is placed with its length along a magnetic field of intensity 1200 S m^(-1) . The flux through the rod is 40xx10^(-4)Wb . The permeability of the rod is