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What does the electromagnet in the telephone do?

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Answer 1If I understand your question, I think you are talking about the earpiece "speaker."
If so, then that electromagnet converts voice frequency electrical pulses to sound by moving the diaphragm in the speaker.
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Who discovered electromagnets?

  somebody

What did the telephone do?

It speed up the communication. It created a new channel for long  distance communication, instead of letters which requires long time  to deliver and may become lost.

What is electromagnet?

An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric cur

What is an electromagnet?

Any conductor carrying an electric current induces a magnetic field. If the conductor is wrapped around an iron core, the magnetic field produced can be used for many uses.

What is in the electromagnetic spectrum?

You actually know more about it than you may think! The electromagnetic (EM) spectrum is just a name that scientists give a bunch of types of radiation when they want to talk

When was electromagnet invented?

The first electromagnet was invented in 1825.

How does electromagnets work?

they work by making elecricity flowing through from 1 end to the other

What are the electromagnet uses?

Electromagnetics are used to create (strong) magnetic fields. This has many applications, from MRI to see brain activity to determining molecular properties to making frogs fl

What is electromagnetism?

Electromagnetism is the "effect" of the electromagnetic force, which is one of the four fundamental forces in the universe. Electromagnetism speaks to electric fields and the

What is electromagnetivity?

It is the ability of the atom in covalent molecule to attract the electrons of the bond towards itself.

What does electromagnets do?

An electromagnet converts electric current into a magnetic field. They are useful when the magnet should be able to be controlled, rather than a permanent magnet.

What can telephones do?

Telephones are used to transfer audio tones over copper wire. Giving us the capabilities to communicate especially in long distances. With the telephone cabling system we are
In Science

What is electromagnetic?

  Electromagnetic energy refers  to the energy that comes from electromagnetic radiation. This  radiation is composed of waves that move at the speed of light in a  way