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12th CBSE
IMPORTANT
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On which factors does the pole strength of a magnet depends?

Important Questions on Magnetism

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 16
If a magnet is broken into pieces, which one of the following remains unchanged in each part - mass, moment of inertia, magnetisation?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 17
Define the term magnetic dipole moment of a current loop.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 18
A coil, of area A→, carrying a steady current I, has a magnetic moment, m→, associated with it. Write the relation between m→, I and A→ in vector form.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 19
An electron which is a charged particle in motion has a magnetic moment. Why then does a neutron, which has no charge, have a magnetic moment?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 20
Define Bohr magneton and write its value.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 21
How much is the magnetic moment of an electron revolving in the n th orbit of hydrogen atom?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 22
Who first discovered earth's magnetism?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>Text Based Exercises>Q 23
How much is the approximate distance upto which the earth's magnetic field extends?