What is magnetic induction ?

Magnetic moment of a short magnet is 16 A - m^(2) . What is the magnetic induction at a point 40 cm away on its perpendicular bisector line ?

What is the magnetic induction at a distance of 5 cm from a straight wire carrying a current of 5 mA ?

What is the magnetic induction at the centre of a circular coil of 10 turns, each of radius 5 cm and carrying a current of 5 A ?

What is the magnetic induction due to a short magnetic dipole of moment 0.1 Am^(2) at an equatorial point 10 cm away from the centre of the dipole/

What is the magnetic induction due to a short bar magnet of magnetic moment 0.5 Am^(2) at a point along the equator at a distance of 20 cm from the centre of the magnet?

The magnetic moment of a short magnet is 8 Am^(2) . What is the magnetic induction at a point 20 cm away on its equatorial line form its mid point:

The magnetic induction due to a short magnet at a distance of 20 cm on the axial line of a short bar magnet is 1.5xx10^(-6)" Wb/m"^(2) . What is the magnetic induction at a point on its axis at a distance of 5 cm from the centre of the magnet?

A toroid of total 1000 turns is made by using a tore of average radius 25cm. What is the magnetic induction inside the tore if a current of2A is passed through it and the relative magnetic permeability of the tore material is mu = 100

A magnetising field produces a magnetic flux of 2.2xx10^(-5) weber in an iron bar of cross section 0.5 cm^(2) . What is the magnetic induction?

A toroid of mean radius 16 cm has 1000 turns of wire closely wound on a ferromagnetic core of relative permeability 400. What is the magnetic induction B within the core for a magnetizing current of 1A?