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Why is soft iron used as the core in electromagnets?

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Important Questions on Magnetism

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Science>Physics>Magnetism>Molecular Theory of Magnetism
What is the role of an external magnetic field in magnetization?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
Which material can retain magnetism after being magnetized?
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Science>Physics>Magnetism>Molecular Theory of Magnetism

Which of the following statements best describes the alignment of electron spins in a magnetic material?

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Science>Physics>Magnetism>Molecular Theory of Magnetism
Which material shows diamagnetic properties?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What is the basic principle behind the molecular theory of magnetism?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What happens to molecular magnets in an unmagnetized material?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
Why are soft magnetic materials used in transformers?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
The origin of magnetism is due to motion of electrons around _____.
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What happens to magnetic domains during magnetization?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What is a magnetic domain?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What happens when a magnet is broken into two pieces?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
Why are magnetic domains important in ferromagnetic materials?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What does the molecular theory of magnetism state?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
Why do magnets attract ferromagnetic materials?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What is the primary origin of magnetism in materials?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
How does heating affect a magnet?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
Cotyledons are also called-
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Science>Physics>Magnetism>Molecular Theory of Magnetism

The magnetism of permanent magnet is caused due to: 

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Science>Physics>Magnetism>Molecular Theory of Magnetism
What happens to a material at its Curie temperature?
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Science>Physics>Magnetism>Molecular Theory of Magnetism
What is the significance of hysteresis in magnetism?