Define pole strength of magnet. and Write the unit of pole strength of magnet
$\mathrm{A} \cdot \mathrm{m}$
State the direction of magnetic dipole moment (From $\mathrm{S}$ to $\mathrm{N}$ pole of magnet). and Write the unit of magnetic dipole moment.
A bar magnet of magnetic moment $M$ is cut into two parts of equal length. The magnetic moment of each part will be ……… $M$
Many of the diagrams given in Figure show magnetic field lines (thick lines in the figure) wrongly. Point out what is wrong with them. Some of them may describe electrostatic field lines correctly. Point out which ones.
Magnetic induction is a
In two separate experiments the neutral points due to two small magnets are at a distance of $r$ and $ 2r$ n broad side-on position. The ratio of their magnetic moments will be
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