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They are used in loudspeakers to replicate sounds-coil type. they are also used in coiltype antennas in the base of receivers such as old emersons. this was an adveritisng ploy that the radios had(aerial eliminators) and did not need unsightly or visible antennas. we had an old zenith with base coil antenna. Also coils have a variety of applicaitons in tuning and band spread. Any electrical coil is essentially a form of electro-magnet.
Wiki User
∙ 16y ago
Wiki User
∙ 12y agoThey are used Everywhere.....
A loudspeaker has an electromagnet at its heart, so do:-
Dynamic Microphones,
Relays,
electric Buzzers,
electric bells,
door entry systems,
motors.
Rhea Gadi
They are used in loudspeakers to replicate sounds-coil type. they are also used in coiltype antennas in the base of receivers such as old emersons. this was an adveritisng ploy that the radios had(aerial eliminators) and did not need unsightly or visible antennas. we had an old zenith with base coil antenna. Also coils have a variety of applicaitons in tuning and band spread. Any electrical coil is essentially a form of electro-magnet.
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What do electromagnets attract?
Unlike normal magnets, electromagnets attract just someof the alloys that contain iron, such as steel and iron, but not all of them. Electromagnets do not attract aluminium, copper, titanium,brass, bronze, tin, nickel, platinum, gold, silver, lead or pewter.Contrary to some opinions, electromagnets cannot attract cardboard.See also the related question.
Does a VCR have a magnet?
A VCR (Video Cassette Recorder) uses electromagnets in the record, playback, and erase heads. An erase head can also have a permanent magnet in it.
What are some benefits and limitations of electromagnets?
Magnetic bearing benefitsHigh reliability,clean environments, high speed applications,position vibration control, equipment design,machine diagnosts andextreme condition:Temperature,corrosive fluids and pressureMagnetic bearing limitationslarger bearinghigher complexityrequires electrical power
Why is my guitar pickup fading away?
The wiring or electromagnets could be showing their age, a connection might be bad, or the pickup's height adjustment may be getting too low. (The closer the pickup is to the strings, the louder the sound generally is; make sure there is still room for the strings to be pressed, and vibrate clearly.)
How do magnets work in an electric guitar?
I'm no expert, so I'll try to give you a vague description. As the metal string on an electric guitar vibrates they act on the magnetic field of the pickups. (I'm not sure if you've done experiments in physics class before where you move a magnet through a metal cylinder, this causes an electrical charge to be produced, almost the same principle with pickups) The electric signal then travels through the wiring and into the amplifier, which "amplifies" the electric signal. A somewhat vague description but pretty much the basics of it.
What are the electromagnets called that are used at junkyards?
The electromagnets that are used in junkyards are called just that, electromagnets. They are used to sort out different types of metals.
Where use electromagnets?
Inside of electric motors are electromagnets and permanent magnets. In a metal junk yard large electromagnets are used to pick up metal. In MRI's large electromagnets are used for imaging.
Where are electromagnets used in the home?
Electromagnets are used in many things such as in televisions, blenders, doorbells, and speakers
Why are electromagnets used in many electronics?
Electromagnets are used in many electronic devices because they can be used to lift very heavy objects. They are also in machines doctors and scientists use everyday. As you can see, electromagnets are used in many different ways!
Are electromagnets used in i-pods?
yes
How are electromagnets used in hard drives?
electromagnets are used to scan it and read the data.the HD has tiny magnetic imprints, which are read by the electro magnet
How are electromagnets used to make electric power?
Electromagnets are used to make electric power because magnets are a type of electricity,and electro is at the front.
What is used to focus an electron microscope?
Electromagnets.
Can electromagnets be used for security systems?
Yes.
What industry use electromagnets?
Since electromagnets are used in most large electric motors,the answer is almost all industry.
How are electromagnet usful?
Electromagnets are used in many ways. Televisions use electromagnets to direct the electron beam, whereas loudspeakers and earphones use electromagnets to push the diaphragm forwards.
What types of magnets are used in a MRI machine?
Electromagnets
