Question

Tell the odd one out. Give proper explanation.
Loud speaker, microphone, electric motor, magnet.

Give appropriate answer.

Wrong answer will be reported.

Answer 1

Magnet, Because, Other things work on the principle of magnet, while marget itself is an independent entity.
Loudspeakers use magnet, Motors use magnet and microphone uses magnet too.

OR


Magents, because other things work on electric current while magnet does not.

Answer 2

Dear Student,

◆ Answer -

Magnet is the odd one out.

● Explanation -

• Magnet is a substance has its own magnetism. It does not require external source of electricity to act.
• All other devices (loud speaker, electric motor, microphone) work on the principle of electromagnetism. All of them require external source of electricity to act as a magnet.

Thanks dear for asking. Hope this helps you..