EASY
12th ICSE
IMPORTANT
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How does the magnetic permeability differ for dia- , para- and ferromagnetic materials? 

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 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?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 14
The earth’s core is known to contain iron. Yet geologists do not consider it as source of earth’s magnetism. Why?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 15
Why do magnetic lines of force prefer to pass through ferromagnetic substances than through air?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 10 - Magnetic Classification of Substances>QUESTIONS>Q 16
A certain region of space is to be shielded from magnetic fields. How can this be done?