Question

Electromagnets are used in ___.

• A. electric motor and generator
• B. lifting and transporting heavy iron scraps
• C. separating iron pieces from debris
• D. magnetic compass.

Answer 1

Answer: (A), (B), (C)

The correct options are
A

electric motor and generator

B

lifting and transporting heavy iron scraps

C

separating iron pieces from debris

The electromagnets are used for lifting and transporting heavy iron scrap, girders, plates, etc. particularly when it is not convenient to take the help of human labour. It is used for separating the iron pieces from debris and ores, where iron exists as impurities. It is used in many electrical devices such as electric motor and generator, microphone, loudspeaker etc.