Yes. Commonly in older instruments, the ear and mouthpieces used permanent magnets, as did some bells. Modern telephones, home and mobile, lean toward ceramic and piezo-electric devices and, if necessary, electro-magnets.
Because without them the phone would be useless for voice communication ! The magnet in the microphone converts your voice into electrical signals, and the one in the earpiece converts electrical signals back to sound !
YES
yes
ikd
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
Fridge,telephone, fan
iron
The Xbox does not have magnets inside it, however components within the consoles have. The hard drive has a magnet inside it.
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.
it is a telephone which is digital and it has a computer inside it
a marble with magnet
yes
Only while the magnet is entering or leaving the loop. If you hold it still, no current is generated. The same goes for a longer magnet where the loop is being moved, but the magnet always remains inside the loop; no current.