List of top Physics Questions on Magnetic properties of materials

The material selected for making a permanent magnet should have:
As temperature increases, at Curie temperature
Regarding the magnetic property, the TRUE statement is
Among the following magnetic materials, the diamagnetic material is
When a bar magnet placed parallel to the magnetic field is rotated by $45^\circ$, the amount of work done is $2.07J$. The amount of work to be done to rotate the magnet further by $45^\circ$ is
If an air core solenoid with self-inductance of $0.5\,mH$ is filled with soft iron of relative permeability of $1500$, its self-inductance becomes
Which law states that magnetic susceptibility is inversely proportional to absolute temperature?
Which of the following is diamagnetic
The magnetic field ((B)) inside a long solenoid carrying current ' (i) ' with an iron core is (( \mu_0 =) vacuum permeability, (\chi =) susceptibility)
The magnetic susceptibility of iron is 5499 . The relative permeability of iron will be
Susceptibility of a paramagnetic substance is
The magnetic field ((B)) inside a long solenoid carrying current ' (i) ' with an iron core is (( \mu_0 =) vacuum permeability, (\chi =) susceptibility)
If a magnetic material has magnetic susceptibility \( \chi = -0.5 \), then its relative magnetic permeability \( \mu_r \), and the type of material is
The magnetic field ((B)) inside a long solenoid carrying current ' (i) ' with an iron core is (( \mu_0 =) vacuum permeability, (\chi =) susceptibility)
The diamagnetic and paramagnetic materials at 300 K are respectively,
A piece of a diamagnetic material, free to move when placed in a uniform magnetic field:

Which one out of the following materials is \(\textit{not}\) paramagnetic
 

Which of the following substances has magnetic permeability less than that of free space?
The materials having negative magnetic susceptibility are :
A solenoid having \(400\text{ turns/metre}\) has a core of a material with relative permeability \(300\). If a current of \(0.5\text{ A}\) is passed through it, then the magnetisation of the core material is nearly
Rods 'A', 'B' and 'C' are made of a paramagnetic, a ferromagnetic and a diamagnetic substance respectively. A magnet is brought close to them, it will
The wrong statement out of the following statements is
Match List I with List II.
List I
(Material)		List II
(Subsceptibility(χ))
A.DiamagneticI.χ = 0
B.FerromagneticII.0 > χ ≥ –1
C.ParamagneticIII.χ >> 1
D.Non-magneticIV.0 < χ < ε (a small positive number)
Choose the correct answer from the options given below:
Which elements have the same magnetic moment \( \mu \)?
The materials suitable for making electromagnets should have