MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

How does the intensity of magnetisation of a paramagnetic material vary with temperature ?

Important Questions on Magnetic Properties of Matter

HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 9
Define intensity of magnetisation of a magnetic material.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 10
Distinguish between diamagnetic and paramagnetic substance in terms of its relative permeability μr and magnetic susceptibility X.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 11
How does the magnetic permeability differ for dia- , para- and ferromagnetic materials? 
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 12
Two substances A and B have their relative magnetic permeabilities slightly greater than and less than unity respectively. What do you conclude about the magnetic nature of A and B ? (dia, para or ferromagnetic)
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 13
How does the intensity of magnetisation M→ differ in dia-, para- and ferromagnetic materials, when they are placed in an external magnetic field? 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 14
What is relative permeability of a magnetic material? How is it related to magnetic susceptibility?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 15
Does an iron bar magnet retain its magnetism when melted? Give a reason for your answer.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 16
Compare the magnetic properties of steel and soft iron.