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It might make an electromagnet by doing this.
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Why does a speaker need an electromagnet not a permanent magnet?
One of the main kinds of speakers needs both. Sound in the form of varying electricity is fed through part of the speaker known as the 'voice coil' which is actually just an electromagnet. Since the electricity in it is varying the magnetism produced by this coil varies too. The voice coil is placed close to a permanent magnet and the voice coil is permitted to move back and forth in response to the electricity going through it. A big cone is fastened to the voice coil to transmit the movements of the voice coil to the air more efficiently. Thus overall the permanent magnet and the electromagnet work together to produce the sound waves that we hear from a speaker. For a more detailed explanation go to the How Stuff Works web site and search for speaker.
The of a sound wave deals with the volume of the sound?
amplitude
What is the vibrating part of loud speaker?
The cone of a speaker is what vibrates to make sound. In some hard speakers with a rigid cone-shaped horn, a flexible diaphragm vibrates. Withut the vibration, you get no sound.
How a speaker creates compressional sound waves?
A traditional speaker produces sound waves when a current is passed through a coil near a magnet. The current varies with the amplitude and frequency of the desired sound. As current passes though the coil, it is attracted to and repelled from the magnet. A cone of paper, plastic, bamboo, or other durable material is attached to the coil, so as the coil makes its movements the paper moves with it. The paper pushes and pulls against the ambient air creating compression sound waves.
How does loudspeaker use electromagnet?
The exceptionally strong and steady magnetic field reacts with the alternating field created by the alternating current produced by the audio current flowing in what is known as the voice coil. The Voice Coil is physically attached to the cone that moves the air so you can hear the pressure wave that simulates the current wave-form.
A spinning cool of wire is what moves the cone in a speaker producing the sound?
false
Does a spinning coil of wire is what moves the cone in a speaker producing the sound?
False
How does a speaker blow?
the reason a speaker blows when you turn it up too loud is because the coil gets hotter and hotter when the cone moves a lot. it will eventually get so hot that the coil will start to smoke then crackle and then stop working.
What does a speaker voice coil do?
Push and pull the cone rapidly, the moving cone moves the air which we hear as sound. all of that is true but i would like to add some thing. the electricity that go's in to the speaker go's in and through the coil and turns it in to a electo magnet ang move acording to the way the electricity is moving because there is another perminent maget around it so the cone moves and air moves and vibrates our ear drums so we hear sound hope this helps
Why is electrical to sound energy taking place when you turn on a radio?
Electrical signals from the radio's circuitry energizes the voice coil of the speaker, which moves the cone of the speaker, that in turn disturbs air particles in its proximity, creating sound.
How does a field coil speaker work?
A: A speaker has a magnet and the wire is suspended in a zone by a cone whereby +/- current will make the coil move up or down moving the coil and moving the cone causing air displacement as waves of pressure that our ears can detect as sounds in our brains.
What is the use of magnet in speakers?
Principle is electromagmnetism. When a conductor cuts magnetic field electricity is induced in the conductor (Fixed magnet). When a magnet is moved near a conductor electricity is generated in the conductor (Fixed conductor). In speakers magnet is fixed and the conductor (in the form of a coil is fixed to the back of the diaphragm) is allowed to move freely. As the coil is fixed to the diaphragm the movements of the coil is reciprocated by the movements of the diaphragm. Our voice induces varying current in the microphone and the same varying current is passed through the coil of the speaker hence it moves in the static magnetic field.
What is the part of a loudspeaker that vibrates to make sound?
a speaker uses a voice coil a coil copper wire and a magnet and pole to vibrate a cone
Why do speaker have magnet?
The magnet is part of the 'motor' of the sub. The coil inside the magnet has alternating current running through it. The coil acts as an electromagnet and pulls itself up or pushes itself down moving the cone of the speaker. The bigger the magnet, the stronger the magnetic field inside the speaker where the coil is.
How do you test speaker wire polarity?
Observe polarity and touch a 1.5 volt battery to the terminals and note the direction the speaker cone moves.
What is the purpose for coil in a sound speaker?
The coil is energized by electric current from an amplifier. the current generates a magnetic force that interacts with the loudspeaker's magnet and forces the coil to move this moves the speakers kone to generate acoustic compression waves.
How do speaker use electromagnet?
Sound is made by pushing air with the cone. A coil of wire is attached to the cone. The "sound"current is passed through the coil. Any current running through magnetic flux causes the coil and cone to move. The larger the magnet the louder the sound. A strong permanent magnet is used. Electromagnets are not used, however
