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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Temporary magnets are made of cobalt.
पर्याय
True
False
उत्तर
False.
Temporary magnets are made of soft iron.
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संबंधित प्रश्न
Write true or false of the following statement.
Artificial magnets are weaker than the natural magnets.
Write true or false of the following statement.
Permanent magnets get easily demagnetised.
Fill in the blank.
Temporary magnets are usually made up of .................
What are natural and artificial-magnets?
Describe the method by which an iron bar can be made a magnet.
Name the material of the core of an electromagnet for temporary magnet.
Tick the most appropriate answer.
Temporary magnets are made of
Fill in the blank.
Permanent magnets are generally made of steel, cobalt, nickel, or an alloy called ...............
Answer the following in detail.
Distinguish between a temporary magnet and a permanent magnet.
Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
| Column I | Column II |
| N - N | ______ |
| N - ______ | Attraction |
| S - N | ______ |
| ______ - S | Repulsion |
