EASY
12th CBSE
IMPORTANT
Earn 100

Define neutral point. Sketch the lines of magnetic field when a small bar magnet is placed with N-pole towards the south of the earth. Indicate the position of neutral points.

Important Questions on Magnetism

EASY
12th CBSE
IMPORTANT
What is relative permeability of a magnetic material? How is it related to the magnetic susceptibility?
MEDIUM
12th CBSE
IMPORTANT
State and explain Curie law of magnetism.
EASY
12th CBSE
IMPORTANT
What are dia, para and ferromagnetic substances? Give one example of each.
EASY
12th CBSE
IMPORTANT
Classify materials on the basis of their behaviour in a magnetic field. Under which category does iron come? How does the magnetic property of iron change with increase of temperature?
MEDIUM
12th CBSE
IMPORTANT
Distinguish between diamagnetic and ferromagnetic substances in respect of (i) intensity of magnetisation, (ii) behaviour in a non-uniform magnetic field and (iii) susceptibility.
EASY
12th CBSE
IMPORTANT
susDistinguish between diamagnetic and ferromagnetic substances in respect of behaviour in a non-uniform magnetic field 
EASY
12th CBSE
IMPORTANT
Distinguish between diamagnetic and ferromagnetic substances in respect of susceptibility.
MEDIUM
12th CBSE
IMPORTANT
What are diamagnetic substances? Explain the origin of diamagnetism on the basis of electron theory.