In the case of bar magnet, lines of magnetic induction
In the case of bar magnet, lines of magnetic induction
- A
Start from the north pole and end at the south pole
- B
Run continuously through the bar and outside
- C
Emerge in circular paths from the middle of the bar
- D
Are produced only at the north pole like rays of light from a bulb
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A magnetic needle suspended horizontally by an unspun silk fibre, oscillates in the horizontal plane because of the restoring force originating mainly from
A magnetic needle suspended horizontally by an unspun silk fibre, oscillates in the horizontal plane because of the restoring force originating mainly from
An iron bar of length $L$ has magnetic moment $M$. It is bent at the middle of its length such that the two arms make an angle $60^{\circ}$ with each other. The magnetic moment of this new magnet is :
An iron bar of length $L$ has magnetic moment $M$. It is bent at the middle of its length such that the two arms make an angle $60^{\circ}$ with each other. The magnetic moment of this new magnet is :
- [NEET 2024]
The earth’s magnetic field at the equator is approximately $0.4 \;G$. Estimate the earth’s dipole moment.
The earth’s magnetic field at the equator is approximately $0.4 \;G$. Estimate the earth’s dipole moment.
The magnetic moment of the arrangement shown in the figure is ............. $M$
The magnetic moment of the arrangement shown in the figure is ............. $M$
Magnetic lines of force
Magnetic lines of force