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Published byLionel Hopkins Modified over 8 years ago
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By Jon Rose & George Stanton
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Loudspeakers use an electromagnet to create waves which turns into sound.
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On the tape there is iron dust, when someone is recording then the magnet is going over that tape and moving the iron dust to make a signal, which records the sound.
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A magnet crane is a crane that uses an electromagnet to lift cars in a junk yard. It strengthens the magnet to lift and weakens it to drop.
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An electromagnet lock is a lock the makes a strong magnet field to keep the door closed.
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An old-fashioned doorbell used an electromagnet that was rapidly turned on and off to pull a clanger against a bell.
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A maglev train is a train that levitates over maglev track, which uses magnets. There are two main types of maglev trains in the world. The Japanese JR- Maglev train which can go up to 581 km/h. And the German Transrapid train which is designed to go up to 500 km/h. The first maglev train to operate on a schedule was in Birmingham but close 1995 as it was to expensive. The government may open a maglev line between London And Scotland. JR-Maglev Transrapid
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