The primary origin$\left(s\right)$ of magnetism lies in

Important Questions on Magnetism and Matter

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>MCQ>Q 5.8

A long solenoid has $1000$ turns per metre and carries a current of $1 \mathrm{A}$. It has a soft iron core of ${\mu }_r=1000$. The core is heated beyond the Curie temperature, $T_c$.

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>MCQ>Q 5.9

Essential difference between electrostatic shielding by a conducting shell and magnetostatic shielding is due to

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>MCQ>Q 5.1

Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>VSA>Q 5.11

A proton has spin and magnetic moment just like an electron. Why then its effect is neglected in magnetism of materials?

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>VSA>Q 5.12

A permanent magnet in the shape of a thin cylinder of length $10 \mathrm{cm}$ has $M={10}^6 \mathrm{A}/\mathrm{m}$. Calculate the magnetisation current $I_m$.

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>VSA>Q 5.13

Explain quantitatively the order of magnitude difference between the diamagnetic susceptibility of ${\mathrm{N}}_2(~5\times {10}^{-9})\text{(at STP)and }\mathrm{Cu}(~{10}^{-5})$.

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>VSA>Q 5.14

From molecular view point, discuss the temperature dependence of susceptibility for diamagnetism, paramagnetism and ferromagnetism.

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 12>Chapter 5 - Magnetism and Matter>SA>Q 5.16

Verify the Gauss’s law for magnetic field of a point dipole of dipole moment $m$ at the origin for the surface which is a sphere of radius $R$.