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प्रश्न
State three important uses of a magnet.
उत्तर
Use of magnet:
- Magnets are used in magnetic compass, doorbells, refrigerators.
- Magnets are used in dynamos, motors, loudspeakers, microphones, etc.
- Ceramic magnets are used in computers.
- Magnets are used in toys to give magic effects.
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संबंधित प्रश्न
What is a magnet?
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.
How is the single-touch method of magnetism different from the double-touch method?
If a magnet attracts a piece of metal, that piece must be made of ______.
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 following term:
Magnetic meridian
Define the following term:
Angle of declination
Differentiate between:
Primary and secondary cell.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
Observe the pictures A and B given in Fig. 13.1 carefully.
Which of the following statement is correct for the above given pictures?
