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Are electromagnets use in fridge?
NO,THEY ARE NOT......only uses a normal magnet at the door.
How does a loudspeaker use a electromagnet?
IN a loud speaker there are two magnets. one permanent magnet that always has its northpole pointing in the same direction , and one electro magnet that can change its magnetic field in direction and magnitude. IF both northpoles point into the same direciton ,the speaker cone is pushed out, if both point in opposite directions the speaker cone is pulled in. The direction and magnitude can be controlled by the current passing through the electro magnet.
What magnet does a magnetic strip use?
To remain a magnet it has to be made out of steel as steel makes a permanent magnet.
How do you use a magnet to tell if something is real gold?
You can't use a magnet to determine if something IS gold. However, if the specimen reacts to the magnet is is certainly NOT gold.
Can you use a magnet to test real gold?
I heard that if you use a magnet and it's attracted strongly to the metal then is's not real gold?
What type of magnet would you use to separate sand from salt?
a normal magnet
Why might a loudspeaker damage a floppy disc but not a?
A floppy disc use a magnetic pattern to store data, and loudspeakers are usually based around a (strong) magnet. The magnet can upset the magnetic pattern, making the data unreadable.
Are electromagnets use in fridge?
NO,THEY ARE NOT......only uses a normal magnet at the door.
What does a loudspeaker use to turn electric energy into sound?
magnets!
How does a loudspeaker use a electromagnet?
IN a loud speaker there are two magnets. one permanent magnet that always has its northpole pointing in the same direction , and one electro magnet that can change its magnetic field in direction and magnitude. IF both northpoles point into the same direciton ,the speaker cone is pushed out, if both point in opposite directions the speaker cone is pulled in. The direction and magnitude can be controlled by the current passing through the electro magnet.
Use lock step in a sentence?
They walked in lock step to the beat of the music from the loudspeaker.
Is the magnet in a compass a permanent magnet or electronic?
A. Compasses typically use a permanent magnet.
I have this lamp that has a weird power cord. There is one flat normal prong and one round prong. Like a combination of US and Euro plugs. Does anyone know which power cord to use.?
It could be a loudspeaker polarised plug.
Did Michael Jackson use magnet in dancing?
He didn't use a magnet. He do his dance by his own moves.
What is an object that attracts metal?
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!
What magnet does a magnetic strip use?
To remain a magnet it has to be made out of steel as steel makes a permanent magnet.
What is the separation method to separate steel?
You would usually use a magnet, which is just called using a magnet.
