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प्रश्न
How will you test whether a given rod is made of iron or copper?
टीपा लिहा
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उत्तर
Bring the rod near the magnet, iron rod will get attracted towards the magnet while copper will not.
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संबंधित प्रश्न
Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
Write true or false of the following statement.
Copper cannot be magnetised.
What is a magnet?
How are the magnets kept safely? What is the role of keepers in storing the magnets?
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
State three important properties of a magnet.
Define the following term:
Magnetic meridian
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
The magnetic poles always exist in pairs.
Define natural magnet.
