List of top Nano Technology Questions on Magnetic properties of materials asked in AP PGECET

Diamagnetic materials are:

Ferromagnetic materials show:

A material loses its strong magnetization suddenly at a critical temperature and becomes weakly magnetic. This transition is from

Which of the following materials possesses anti-parallel spins of unequal magnitude, resulting in a spontaneous magnetic moment below a critical temperature?

Which has highest magnetic susceptibility?

Curie temperature is the temperature at which:

Retentivity means:

Which material is diamagnetic?

Paramagnetic materials have:

Magnetic susceptibility ($\chi$) of paramagnetic materials follows:

Curie temperature of ferrite is

What distinguishes hard magnetic materials from soft magnetic materials in terms of their application?

A paramagnetic substance, in the form of a cube with sides 1 cm, has a magnetic dipole moment of 20 x 10\(^{-6}\) J/T, when a magnetic intensity of 60 x 10\(^3\) A/m is applied. Its magnetic susceptibility is

Analyze the implications of using a hard magnetic material in the stator of an electric motor instead of a soft magnetic material.