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By Iron

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14y ago

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What is a way to make a very powerful electro magnet?

Put a magnet into AC electricity


Can a magnet pick up a large washer?

Yes - if you have a powerful enough magnet !


What is a electromagnet and what does it need to properly function?

A powerful magnet that only creates a magnetic field when a massive amount of power cycles through the magnet. To properly function, the magnet needs to be connected to a powerful source of electricity.


The ends of a magnet have the most?

they have the most powerful magnetic fields


How powerful does a magnet need to be in order to erase memory from a DVD-R disc?

I don't think you'll find a powerful enough magnet; the DVD-R is an optical recording medium and is unaffected by magnetism.


Can magnetic field from a magnet destroy laptop hard drive?

Yes. A powerful magnet is capable of wiping the entire hard drive.


What is an electromagn?

If you're talking about an electromagnet, it's a piece of metal, usually iron, that is turned into a powerful magnet when an electric current is run through it. Theoretically, the magnet could be infinitely powerful, if you have an infinite power source.


How can you make a magnet stick to aluminum?

You cannot make a magnet stick directly to aluminum because aluminum is not magnetic. However, you can make a magnet stick to aluminum by placing a magnetic material, such as iron, in between the magnet and the aluminum surface.


Can you make a stronger magnet using a weak magnet?

yes


How do you make an iron a magnet?

by stroking it with another magnet :D


How do you make a science models with magnet?

put a stick with a magnet


Does a copper penny move away from a magnet?

No, copper is unaffected by any magnet you're likely to come across (although an extremely powerful magnet - something the size of, say, a car - would have some effect).