What is magnetism and what is magnet ?
A bar magnet of magnetic moment $3.0\, A-m^2$ is placed in a uniform magnetic induction field of $2 \times 10^{-5}\, T$. If each pole of the magnet experiences a force of $6 \times 10^{-4} \,N$, the length of the magnet is.....$m$
Magnetic lines of force due to a bar magnet do not intersect because
Write Gauss’s law for magnetism.
Two identical thin bar magnets each of length $l $ and pole strength $m$ are placed at right angle to each other with north pole of one touching south pole of the other. Magnetic moment of the system is
Define pole strength of magnet. and Write the unit of pole strength of magnet