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A ferromagnetic material is heated above its Curie temperature. Which one is a correct statement?

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Important Questions on Magnetism

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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 66
Which magnetic materials have negative susceptibility?
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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 67
Two magnets are held together in a vibration magnetometer and are allowed to oscillate in the Earth's magnetic field with like poles together. 12 oscillations per minute are made but for unlike poles together only 4 oscillations per minute are executed. The ratio of their magnetic moments is
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 68
Aclinic lines are the lines joining places of
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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 69
Two magnets have the same length and the same pole strength. But one of the magnets has a small hole at its centre. Then,
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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 70
Magnetic length is
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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 71
In a deflection magnetometer, the needle is short and the pointer is long, because the
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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 72
The tangents deflection produced in tanA and tanB positions by a short magnet at equal distances are in the ratio
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 4 - Magnetism>Objective Problems [ Level 1 ]>Q 73
Hysteresis loss for steel is ............ that for iron.