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प्रश्न
Give detailed information about how the merchants of olden times used a magnet while travelling.
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
Draw magnetic field lines around a bar magnet.
Why don’t two magnetic lines of force intersect each other?
A plotting compass is placed near the south pole of a bar magnet. The pointer of plotting compass will:
Fill in the blank.
Like poles ..................... each other.
The SI Unit of magnetic field induction is ______.
Write a note on:
Compass needle
The magnetic field produced due to a circular wire at its center is ______.
No force acts in a current-carrying conductor when it is ______ to the magnetic field.
Magnetic fields do not interact with electric charges in motion.
Define magnetic shielding.
