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Resultant force acting on a diamagnetic material in a magnetic field is in direction
 

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Important Questions on Magnetic Properties of Matter

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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 2
The magnetic susceptibility of a paramagnetic substance at -73°C is 0.0060 then its value at -173°C will be 
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 3
Ferromagnetic material used in a transformer must have
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 4
On applying an external magnetic field, to a ferromagnetic substance domains
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 5
Which of the following is represented by the area enclosed by a hysteresis loop (B-H curve)
 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 6
Relative permittivity and permeability of material are εr are μr respectively. Which of the following value of these quantities are allowed for a diamagnetic material?
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 7
Electromagnets are made of soft iron because soft iron has
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 8
Magnetic susceptibility of a diamagnetic substance
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 9
A paramagnetic substance of susceptibility 3×10-4 is placed in a magnetic field of 4×10-4Am-1. Then the intensity of magnetisation in units of Am-1 is