EASY
12th CBSE
IMPORTANT
Earn 100

Define neutral point. Locate the positions of neutral points, when a small bar magnet is placed with its north pole towards the south of the earth.

Important Questions on Magnetism

EASY
12th CBSE
IMPORTANT
Sketch the magnetic field pattern of a bar magnet placed in the magnetic meridian with its N-pole pointing north. Show the neutral points. How will you determine the dipole moment of the magnet?
EASY
12th CBSE
IMPORTANT
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.
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