EASY
Earn 100

The susceptibility of a ferromagnetic substance is
(a)Zero
(b)
(c)
(d)
1

50% studentsanswered this correctly
Important Questions on Magnetic Effects of Current and Magnetism
MEDIUM
The susceptibility of magnetism at is . What will be its susceptibility at ?

EASY
A paramagnetic material has . Its magnetic susceptibility at temperature is . Its susceptibility at is

EASY
Define magnetization. Write its SI unit and its dimensions.

EASY
A long solenoid has the radius and turns. It carries a current of . If it is equivalent to a magnet of the same size and magnetization then is:

EASY
What is magnetic susceptibility?

EASY
Magnetic susceptibility for a paramagnetic and diamagnetic material is respectively

EASY
Susceptibility of a diamagnetic substance is

MEDIUM
Consider the regular array of vertical identical current-carrying wires (with the direction of current flow as indicated in the figure below) protruding through a horizontal table. If we scatter some diamagnetic particles on the table, they are likely to accumulate-

EASY
Magnetization of the sample is

MEDIUM
Above the curie temperature the susceptibility of a ferromagnetic substance varies

MEDIUM
If and are respectively the permeability and permittivity of free space, and are the corresponding quantities in a medium, then the refractive index of the medium with respect to free space is:

EASY
Magnetic susceptibility of a paramagnetic substance is

EASY
The magnetic susceptibility is negative for:

EASY
If magnetization of a paramagnetic sample, external magnetic field, absolute temperature, curie constant then according to Curie's law in magnetism, the correct relation is

MEDIUM
The coercivity of a small magnet, where the ferromagnet gets demagnetised is . The current required to be passed in a solenoid of length and number of turns , so that the magnet gets demagnetised when inside the solenoid is

HARD
Nickel combines with a uninegative monodentate ligand to form a diamagnetic complex The hybridisation involved and the number of unpaired electrons present in the complex are respectively:

EASY
An example of a perfect diamagnet is a superconductor. This implies that when a superconductor is put in a magnetic field of intensity , the magnetic field inside the superconductor will be such that

EASY
The magnetic susceptibility of a paramagnetic substance at is . To have the susceptibility , the change in temperature in is

MEDIUM
An iron rod of susceptibility is subjected to a magnetising field of . The permeability of the material of the rod is:

MEDIUM
A domain in ferromagnetic iron in the form of cube is having atoms. If the side length of this domain is and each atom has a dipole moment of , then magnetisation of domain is

