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Question
Permanent magnets can be made from :
Permanent magnets can be made from :
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Solution
The correct option is C wrought iron
A permanent magnet is an object made from material that is magnetized and creates its own persistent magnetic field e.g. refrigerator magnet on its door. These are strongly attracted to magnets called as ferromagnetic and are made up of iron,nickel,cobalt and some alloys of rare earth metals.
A permanent magnet is an object made from material that is magnetized and creates its own persistent magnetic field e.g. refrigerator magnet on its door. These are strongly attracted to magnets called as ferromagnetic and are made up of iron,nickel,cobalt and some alloys of rare earth metals.
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