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प्रश्न
People who made mariner’s compass for the first time.
विकल्प
Indians
Europeans
Chinese
Egyptians
MCQ
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उत्तर
Chinese
shaalaa.com
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संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
“Poles exist in pair”. Comment on this statement ?
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 |
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
The real test of a magnet is ______.
Select the correct option:
The place around a magnet where its influence can be detected is called:
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Describe a simple experiment to demonstrate that like poles repel each other while unlike poles attract.
Show by diagrams two usual shapes of the artificial magnets.
Define natural magnet.
