The correct answer is A: Generator
In electricity generation, a generator is a device that converts motive power (
Temporary magnets are made from soft metals, and only retain their magnetism while near a permanent magnetic field or electronic current. They become magnetized in the presence of a magnetic field. ... Paperclips, iron nails and other similar items are examples of temporary magnets.
The difference between a permanent magnet and a temporary magnet is in their atomic structures. Permanent magnets have their atoms aligned all the time. Temporary magnets have their atoms aligned only while under the influence of a strong external magnetic field.