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प्रश्न
Artificial magnets are made in different shapes such as ______, _____ and _______.
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उत्तर
Artificial magnets are made in different shapes such as Bar-magnet, Horseshoe magnet, and Ring magnet.
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संबंधित प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
Select the correct alternative
A freely suspended magnet rests in
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Select the correct answer
An example of natural magnet is
Tick the most appropriate answer.
The surest test of magnetism is
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 if the following statement is true or false. Correct the statement if it is false.
Whenever a magnet is not in use, it should be stored along with other magnets.
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
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.
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 |
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
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.
Define the term Magnetic axis
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.
State the laws of magnetism.
List out the uses of magnets.
