Physics
Match the columns.
| Column A | Column B | ||
|---|---|---|---|
| 1. | Artificial magnets | (a) | Giant magnet |
| 2. | Poles | (b) | Strong magnets |
| 3. | Electromagnet | (c) | Maximum strength of magnet |
| 4. | Self-demagnetisation | (d) | Temporary magnet |
| 5. | Earth | (e) | Poles left free |
Related Questions
Which is not a method of demagnetising a magnet?
- Heating
- Hammering
- Suspending
- Alternating current
Which of the following is an example of a magnetic keeper?
- Steel
- Nickel
- Soft iron
- Electromagnet
Give reasons for the following statements.
(a) Wood cannot be magnetised.
(b) Magnetite was later on called leading stone.
(c) Magnetic compass is based on one of magnet's properties.
(d) Magnetic induction is temporary.
(e) Magnets should be stored properly.
Explain the following terms.
(a) Directive property of a magnet
(b) Earth's magnetic field
(c) Single touch method
(d) Demagnetisation
(e) Magnetic keepers