EASY
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IMPORTANT
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Consider the following statements for a paramagnetic substance kept in a magnetic field.

(a) If the magnetic field increases, the magnetisation increases.

(b) If temperature rises, the magnetisation increases.

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Important Questions on Matter and Magnetism

EASY
JEE Main/Advance
IMPORTANT
Which of the following relations is not correct?
EASY
JEE Main/Advance
IMPORTANT
The hysteresis loop for the material of a permanent magnet is :
EASY
JEE Main/Advance
IMPORTANT

Select the incorrect alternative (s).

When a ferromagnetic material goes through a complete cycle of magnetisation, the magnetic susceptibility 

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JEE Main/Advance
IMPORTANT
The material for making permanent magnets should have
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JEE Main/Advance
IMPORTANT

(a) Soft iron is a conductor of electricity.

(b) It is a magnetic material.

(c) It is an alloy of iron.

(d) It is used for making permanent magnets. State whether

EASY
JEE Main/Advance
IMPORTANT

Consider different orientations of a bar magnet lying in a uniform magnetic field as shown below. The potential energy is maximum in orientation

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HARD
JEE Main/Advance
IMPORTANT
A magnetic needle (small magnet) is kept in a non-uniform magnetic field. It.
EASY
JEE Main/Advance
IMPORTANT
Needles N1, N2 and N3 are made of a ferromagnetic, a paramagnetic and a diamagnetic substance, respectively. A magnet when brought close to them will