Define Curie temperature.

Important Questions on Magnetic Classification of Substances

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 5

At a certain temperature, a ferromagnetic material becomes paramagnetic. What is this temperature called?   

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 6

State how the magnetic susceptibility of a ferromagnetic material changes when it is heated.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 7

Two substances $\mathrm{A}$ and $\mathrm{B}$ have relative magnetic permeabilities slightly greater and slightly less than unity respectively. What do you conclude about the magnetic nature of $\mathrm{A}$ and$\mathrm{B}$?    

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 8

How does the magnetic permeability differ for dia- , para- and ferromagnetic materials? 

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 9

State, how the magnetic susceptibility is different for the three types of materials, $\mathrm{i}.\mathrm{e}.,$ diamagnetic, paramagnetic and ferromagnetic materials?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 10

Distinguish between diamagnetic and paramagnetic substances in terms of their relative permeability  $\left({\mu }_r\right)$ and susceptibility$\left(\chi \right)$.  

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 11

If magnetic susceptibility of a certain magnetic material is$0.0001$, find its relative permeability.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 12

Arrange the three types of magnetic materials, $\mathrm{i}.\mathrm{e}$., paramagnetic, diamagnetic and ferromagnetic materials, in decreasing order of their magnetic susceptibility.