There is a magnet in the both the microphone and speaker. They change differences in air-pressure (in the microphone) to electrical pulses, and in the speaker, they cause the cone to vibrate - creating sound.
Fridge,telephone, fan
in a receiver
Yes, there is, but external magnets would damage the telephones if the magnet is strong enough. So don't go and try to place the telephone onto a neodymium magnet
it works by you eating your apple on the phone
yes. it uses them by when you answer the phone the electrical energy is reflected from your telephone wire to the person you are talking to's wire.
yes. it uses them by when you answer the phone the electrical energy is reflected from your telephone wire to the person you are talking to's wire.
A. Compasses typically use a permanent magnet.
He didn't use a magnet. He do his dance by his own moves.
It is a magnet or a electro-magnet. If you are trying to use it as a metal detector then you will need a really strong magnet!
To remain a magnet it has to be made out of steel as steel makes a permanent magnet.
You would usually use a magnet, which is just called using a magnet.
The kind u use to magnet stuff closer to u