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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
List three sources of magnetic fields.
Which of the following is not attracted by a magnet:
Why does a freely suspended magnet always rest in a north-south direction?
Describe an experiment to show that the maximum attractive property is at the poles of a magnet?
The SI Unit of magnetic field induction is ______.
State whether true or false. If false, correct the statement.
Fleming’s Left hand rule is also known as Dynamo rule.
Write a note on:
Compass needle
Magnetic fields do not interact with electric charges in motion.
The force on a charged particle moving in a magnetic field is maximum when the angle between the direction of motion and field is 90°.
The field at the center of the long circular coil carrying current will be parallel straight lines.
