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Steel is not attracted by a magnet, because steel is

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Important Questions on Matter and Magnetism

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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 49
If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material  and ferromagnetic material are denoted by μd,μp and μf respectively, then:
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 50
A frog can be levitated in magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behave as
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 51
Liquid oxygen remains suspended between the two pole faces of a magnet because it is
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 52
Cause of Ferromagnetism:
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 53
The magnetic susceptibility of a paramagnetic substance is 3×10-4. If placed in a magnetising filed of 4×104 A m.The intensity of magnetisation will be:
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 54
The volume susceptibility of a magnetic material is 30 × 10–4. Its; relative permeability will be :-
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 55
The magnetic moment of a magnet of mass 75 gm is 9×10-7A m2. If the density of the material of magnet is 7.5×103 kg m-3 than intensity of magnetization will be:
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Beta Question Bank for Engineering: Physics>Chapter 26 - Matter and Magnetism>Exercise-1>Q 56
The coercivity of a bar magnet is 100A/m. It is to be demagnetised by placing it inside a solenoid of length 100 cm and number of turns 50. The current flowing the solenoid will be :