EASY
12th ICSE
IMPORTANT
Earn 100

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

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 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 A and B have relative magnetic permeabilities slightly greater and slightly less than unity respectively. What do you conclude about the magnetic nature of A and 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, i.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  (μr) and susceptibility(χ).  
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, i.e., paramagnetic, diamagnetic and ferromagnetic materials, in decreasing order of their magnetic susceptibility. 
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 13
Why is soft iron considered more suitable than steel for making the core of a transformer?