The magnetic field lines of a bar magnet
- Aleave from the south pole of the magnet
- Bare absent inside the magnet
- Cintersect each other
- Dform continuous closed loops
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$A$ bar magnet with a magnetic moment of $3.0 \, A \cdot m^2$ is placed in a magnetic field of $2 \times 10^{-5} \, T$. If the force acting on each pole is $6 \times 10^{-4} \, N$,what is the length of the magnet in $m$?
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View SolutionWhich of the following statements is true about the magnetic moments of atoms of different elements?
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View SolutionThe axial field $(B_{A})$ and the equatorial field $(B_{E})$ due to a short bar magnet at equal distances are related as:
The unit of pole strength of a magnet is:
Two lines of force due to a bar magnet:
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