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प्रश्न
Fill in the blank.
Temporary magnets are usually made up of .................
उत्तर
Temporary magnets are usually made up of soft iron.
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संबंधित प्रश्न
Write true or false of the following statement.
Permanent magnets get easily demagnetised.
Describe the method by which an iron bar can be made a magnet.
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.
Temporary magnets are made of
Tick the most appropriate answer.
A permanent magnet can be demagnetized by
Fill in the blank.
Permanent magnets are generally made of steel, cobalt, nickel, or an alloy called ...............
Give a reason for the following.
Electromagnets are temporary magnets.
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?
