Diamagnetism, Paramagnetism and Ferromagnetism

Which one of the following species is diamagnetic in nature?

Why does the susceptibility of diamagnetic substance independent of temperature?

What will be the nature of graph between magnetic susceptibility and temperature for paramagnetic material?

How susceptibility of a ferromagnetic material varies with temperature?

What is the relation between susceptibility and temperature?

What is the relation between susceptibility and temperature?

Domain formation is the necessary feature of 

Explain ferromagnetism on the basis of domain theory?

What is ferromagnetism on the basis of domain theory?

What do you mean by magnetic domain explain ferromagnetism on the basis of magnetic domain theory?

What happens to domains as a ferromagnetic substance is kept in an external magnetic field?

What are Antiferromagnetic materials?

How are the magnetic moments of the atoms within a domain are oriented with respect to each other?

When a ferromagnetic material is kept in an external magnetic field, the _____ present in it grow in size.

What is a diaphragm in a telephone?

The diaphragm of the microphone of a telephone is made of carbon.

The diaphragm of the microphone of a telephone is made of _____

What properties should a material selected for making core of transformer and telephone diaphragms possess ?

A frog can be levitated in magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as

Hysteresis loops for two magnetic materials $A$ and $B$ are given below:

These materials are used to make magnets for electric generators, transformer cores and electromagnet core. Then it is proper to use: