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प्रश्न
State two properties of a bar magnet ?
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उत्तर
Properties of a bar magnet
- Attractive property : A magnet attracts small pieces of iron, cobalt or nickel.
- Directive property : A magnet when suspended freely, always point towards North and South direction.
- Like poles i.e. North and North or South and South poles repel each other.
- Unlike poles i.e. North and South attract each other.
- Poles always exist in pairs, i.e. poles of a magnet cannot be separated.
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संबंधित प्रश्न
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Define the following term regarding a bar magnet:
Magnetic equator
Select the correct option:
The place around a magnet where its influence can be detected is called:
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
Draw the magnetic flux pattern near a bar magnet placed with its axis in the magnetic meridian and the south pole pointing towards geographic north.
Define the following term:
Magnetic meridian
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
What is a neutral point?
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
