Differentiate between temporary and permanent magnets.

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Solution

The main points of difference between temporary and permanent magnets are:
Permanent magnets Temporary magnets permanent
Permanent magnets are those magnets that retain their magnetism for a long period of time. Temporary magnets are those magnets that lose their magnetism as soon as the cause producing their magnetism is removed.
Materials like iron, nickel, and cobalt are used for making permanent magnets. Iron materials get magnetized very easily, hence iron is used for making temporary magnets.
Bar magnet and horse-shoe magnet are common examples of permanent magnets. Electromagnets are the common examples of temporary magnets.
Permanent magnets are used in magnetic compasses, magnetic door catches, motors, generators, loudspeakers, etc. Temporary magnets are used in cranes to lift massive loads, electric bells, transformers, circuit breakers

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Permanent magnets	Temporary magnets permanent
Permanent magnets are those magnets that retain their magnetism for a long period of time.	Temporary magnets are those magnets that lose their magnetism as soon as the cause producing their magnetism is removed.
Materials like iron, nickel, and cobalt are used for making permanent magnets.	Iron materials get magnetized very easily, hence iron is used for making temporary magnets.
Bar magnet and horse-shoe magnet are common examples of permanent magnets.	Electromagnets are the common examples of temporary magnets.
Permanent magnets are used in magnetic compasses, magnetic door catches, motors, generators, loudspeakers, etc.	Temporary magnets are used in cranes to lift massive loads, electric bells, transformers, circuit breakers