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प्रश्न
Write true or false of the following statement.
Copper cannot be magnetised.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
You are given a magnet. How will you use it to find north-south direction at a place?
How will you do this?
Explain that a magnet has a certain magnetic field.
If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ______ bar magnets are formed, and a total of _____ poles are formed.
The alloys called ______ and ______ are used for making industrial magnets.
Distinguish between the two methods of making artificial magnets.
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 |
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.
Define the terms magnet and magnetism.
