Properties of Dia-, Para- and Ferromagnetic Substances
Important Questions on Properties of Dia-, Para- and Ferromagnetic Substances
A paramagnetic salt has a magnetic moment of at a temperature of in a magnetic field of Find its magnetic moment at a temperature of in a magnetic field of
If a toroid has a bismuth core, will the field in the core be greater or less than when the core is empty space?
A paramagnetic material is placed in a uniform magnetic field. Draw the modified field pattern.
Distinguish between paramagnetic and diamagnetic materials from their behaviour in a uniform magnetic field and in a non-uniform magnetic field.
Which amongst copper, platinum, silver, gold, aluminium, iron and nickel are ferromagnetic substances?
A certain region of space is to be shielded from magnetic fields. How can this be done?
Why do magnetic lines of force prefer to pass through ferromagnetic substances than through air?
The earth’s core is known to contain iron. Yet geologists do not consider it as source of earth’s magnetism. Why?
Why is soft iron considered more suitable than steel for making the core of a transformer?
Arrange the three types of magnetic materials, ., paramagnetic, diamagnetic and ferromagnetic materials, in decreasing order of their magnetic susceptibility.
How can paramagnetic and diamagnetic material rods be distinguished in a magnetic field?
What is the difference between the atoms of diamagnetic and paramagnetic materials?
When a ferromagnetic substance is heated above its Curie temperature, then :
