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प्रश्न
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उत्तर
Natural magnet is the deposits of the iron ore which has the attracting property of iron The properties of the natural magnet are :
(i) The magnet has the directive property when it is suspended freely, it always comes in a north-south direction.
(ii) A magnet attracts magnetic substances like iron, steel, etc. so, it has an attractive property.
(iii) Like poles repels each other while unlike poles attract each other in magnet.
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संबंधित प्रश्न
State three important uses of a magnet.
Answer the following in detail.
How can a magnet be demagnetized?
How will you do this?
Find the north pole of a magnet.
A magnet remains steady in a ________ direction.
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Define the term Poles of a magnet
Give scientific reason:
Soft iron is used to make electromagnets.
Differentiate between:
Primary and secondary cell.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
The strongest natural magnet is ______.
