Question

List down the devices around you in which magnets are used.

Answer 1

There are many devices around us which has magnets inside it. Some of them are:

1. Speakers: Magnets in speakers are used to convert electric signal to sound signals.
2. Microphones: Magnets in microphones are used to convert sound signal to electric signals.
3. Electric motors: In electric motors, magnets are used to convert electric signal into a mechanical motion.
4. Debit cards: The debit cards have magnetic strip in it which stores the account information of the card holder in electronic form.