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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
Name four appliances which work using electricity ?
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
When magnetic material is taken close to a magnet, the material acquires ______.
What is a neutral point?
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
An object that is attracted by magnet.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
