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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.
विकल्प
True
False
उत्तर
False.
Temporary magnets are made of soft iron.
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संबंधित प्रश्न
Select the correct answer
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State three differences between the temporary and permanent magnets.
Name the material of the core of an electromagnet for temporary magnet.
Tick the most appropriate answer.
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Tick the most appropriate answer.
A permanent magnet can be demagnetized by
Give a reason for the following.
Electromagnets are temporary magnets.
Write true or false of the following statement.
Single touch method is better than the electrical method for making a magnet.
It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.
You are given an iron strip. How will you make it into a magnet?
