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प्रश्न
Answer the following in detail.
Distinguish between a temporary magnet and a permanent magnet.
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उत्तर
Temporary magnet
- These magnets retain their magnetic property for a short duration of time.
- These are made of soft iron.
- They lose their magnetic properties once the magnetizing force is removed.
Permanent magnet
- These magnets retain their magnetic property always.
- These are made of iron, steel, cobalt, nickel, or an alloy callçd ANILCO.
- They retain their magnetic properties even after the magnetizing force is removed.
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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 .................
Select the correct answer
Making a magnetic substance a magnet by bringing it closer to another magnet without touching it, is
Select the correct answer
The artificial magnet used to detect direction in the laboratory is
What are natural and artificial-magnets?
State three differences between the temporary and permanent magnets.
Fill in the blank.
Permanent magnets are generally made of steel, cobalt, nickel, or an alloy called ...............
Write true or false of the following statement.
Single touch method is better than the electrical method for making a magnet.
You are given an iron strip. How will you make it into a magnet?
