Q&A for How to Create an Electromagnet

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Question

What happens to an iron atom when an electromagnet attracts it?

Community Answer

If the electromagnet attracts it in one direction about 60 times, it magnetizes.

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Question

Will this work with a normal battery?

Community Answer

Yes, if the battery is over 2 volts in power. You can use 2 AAs or 1 C or D battery.

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Question

Does an electromagnet have the capability of stopping an object that is revolving at 1500 rpm?

Community Answer

That depends on the strength of the magnet and whether the revolving object is magnetic.

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Question

Could I use a car battery?

Community Answer

It is not advised to try this, because many things could go dangerously wrong. Only use smaller batteries.

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Question

Can I make an electromagnet that can reverse its north and south poles?

Community Answer

Ye. Just reverse the polarity of the system by switching the position of the wire ends.

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Question

Does it matter how many times I wrap the wire around the nail?

Community Answer

Yes. The more coils you have, the stronger the electromagnet will be.

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Question

Can I make an electromagnet using a bombay iron nail?

Community Answer

Yes, you can use any iron nail to make an electromagnet. Alternatively, you could also use iron screws.

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