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प्रश्न
Give detailed information about how the merchants of olden times used a magnet while travelling.
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उत्तर
In the past, it was known that a piece of magnetite (stones having magnetic properties), when hung freely, points in the north-south direction. Thus, these stones were used by merchants of olden times to find direction while travelling through unknown regions. These stones are also called loadstones (leading stones).
संबंधित प्रश्न
Which of the following is not attracted by a magnet:
The metallic pointer of a plotting compass gets deflected only when it is placed near a bar magnet because the pointer has:
Why does a freely suspended magnet always rest in a north-south direction?
Tick the most appropriate answer.
The region around a magnet where its magnetic force can be experienced is called
List two methods of producing magnetic fields.
Write a note on:
Compass needle
The ______ produces its own magnetic field, which shields the earth’s ozone layer from the ______ and is important in navigation.
The magnetic field at a point is ______ to the magnetic field lines.
Magnetic fields do not interact with electric charges in motion.
Draw magnetic field lines produced around a straight current carrying conductor passing through a cardboard. How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the conductor?
