Magnetic Properties of Materials
Magnetic Properties of Materials: Overview
This topic covers concepts such as Magnetic Properties of Matter, Diamagnetic Substances, Paramagnetic Substances, Ferromagnetic Substances, Curie Law, Curie Temperature, Hysteresis, Retentivity, Coercivity, Hard and Soft Magnets, etc.
Important Questions on Magnetic Properties of Materials
Which one of the following species is diamagnetic in nature?
When Superconductors, are heated above the critical temperature, they expel magnetic field and do not allow the magnetic field to penetrate inside them.
Explain meissner Effect
Meissner effect is strictly followed by
What is the Meissner effect?
In superconductivity the conductivity of a material becomes
The coils of a superconducting magnet are usually made of niobium _____ in a copper matrix.
In a superconductor, electricity will flow for a long time and then stop.
The hysteresis loss in soft magnetic materials must be kept ______
Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show
For diamagnetic substance, magnetic susceptibility is
In the non-uniform external magnetic field, which of the material move from strong field region to a weak field region.
Which of the materials gets repelled by a magnetic field?
The susceptibility of magnetism at is . What will be its susceptibility at ?
In the non-uniform external magnetic field, which of the material move from weak field region to a strong field region.
Which of the materials gets strongly attracted by a magnetic field?
Which of the materials gets repelled by a magnetic field?
A ferromagnetic substance becomes paramagnetic substance when heated above curie temperature.
Which of the materials gets repelled by a magnetic field?
The materials suitable for making electromagnets should have
