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What is an Electromagnet ? List Any Two Uses. - Physics

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What is an electromagnet? List any two uses.

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The magnetic field produced due to the current flowing in a coil or a solenoid can be used to magnetize a material like soft iron temporarily. The insulated copper wire is wrapped on a soft iron piece. When current is passed through the coil using a battery and a key the iron piece behaves like a bar magnet as long as the current is being passed. Such a magnet is called an electromagnet.

Uses of Electromagnet :

1) Magnets are used inside TVs, Sound speakers, and radios.
2) Magnets are used inside a generator to transform mechanical energy to electrical energy 

Concept: Electromagnetic Induction
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ICSE Class 10 Physics
Chapter 9 Magnetic Effect of Current
Short Answers | Q 20
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