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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?
The metallic pointer of a plotting compass gets deflected only when it is placed near a bar magnet because the pointer has:
Define the term magnetic field of a magnet. How will you recognize it experimentally?
Define current. Give its S.I. unit.
Define magnetic field.
The unit of magnetic flux density is ______.
State Fleming’s Left Hand Rule.
The magnetic field is a quantity that has magnitude only.
Define magnetic shielding.
