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What happens when electromagnet is switched on?

It can do this because it is an electromagnet.When current flows through a wire, a magnetic field is producedaround the wire and an electromagnet is formed. The magneticfield can be turned off again by switching off thecurrent. Around every magnet there is an invisible magneticfield.

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Besides, what will happen to the magnetic field generated by an electromagnet when the current is turned off?

Unlike a permanent magnet, the strength of anelectromagnet can easily be changed by changing the amountof electric current that flows through it. The poles of anelectromagnet can even be reversed by reversing the flow ofelectricity. An electromagnet works because an electriccurrent produces a magnetic field.

Subsequently, question is, does the thickness of the wire affect the power of the electromagnet? The strength of an electromagnet can be affectedby various factors such as no.of coils, specific resistance of thewire used to coil the core, the thickness of the wireetc. Thus as resistance drops, more current will flow through theelectromagnet causing a larger magnetic field.

People also ask, what is an electromagnet used for?

Uses of Electromagnets Electromagnets are used in all kinds ofelectric devices, including hard disk drives, speakers, motors, andgenerators, as well as in scrap yards to pick up heavy scrap metal.They’re even used in MRI machines, which utilize magnets totake photos of your insides!

What are the different types of electromagnets?

There are two general types of magnets: permanentmagnets and electromagnets. Permanent magnets contain acombination of iron, cobalt and nickel metals, which produce acontinuous magnetic field.

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