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प्रश्न
Write the answer in your word.
Write the properties of a magnet.
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उत्तर
- A magnet attracts materials like iron, nickel, and cobalt.
- Every magnet has a north and a south pole.
- If you bring two same poles together, they push away; opposite poles pull toward each other.
- A magnet produces an invisible force around it, known as a magnetic field.
- A magnet can make some materials temporarily magnetic by touching them.
संबंधित प्रश्न
Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
Tick the most appropriate answer.
The surest test of magnetism is
If a magnet attracts a piece of metal, that piece must be made of ______.
The alloys called ______ and ______ are used for making industrial magnets.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Name the metal used for E and F.
People who made mariner’s compass for the first time.
Artificial magnets are made in different shapes such as ______, _____ and _______.
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
Define electromagnet.
