When a piece of soft iron is rubbed with a permanent steel magnet, it also changes into a permanent magnet.
A
True
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B
False
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Solution
The correct option is B False
Steel is used for making a permanent magnet.
When the soft iron is rubbed with a permanent steel magnet then it becomes a temporary magnet because the magnetic domains will be shifted towards the direction of a magnetic field but the magnetic domains will align in a random manner.
Hence, rubbing the soft iron with a permanent steel magnet, it becomes a temporary magnet.