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More than what? - An electromagnet can pick up metal due to its magnetism - assuming it is turned on. If you increase the current, the electromagnet becomes more powerful - but you must be careful not to pass too much current, otherwise the wires might burn through.
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Why will an electromagnet be able to pick up more steel cans than a permanent magnet?
An electromagnet is a stronger magnet.
How are electro magnets used in cranes?
Cranes with electromagnetic lift are known as electromagnetic cranes. Such cranes are used widely in lifting and moving scrap metal. Even in a production line of many products, electromagnetic cranes are used to lift and move the metal objects. Electromagnetic cranes are particularly simple and have many advantages over other lifting tools. They are both faster and easier to work with.
One other use for a magnet?
Magnets are use to pick up things, in electric motors, to hold things on a metal wall, and in MRI.
Why are saucepans handles usually made from wood or plastic?
Wood or plastic doesn't transfer heat as well as metal. If the handles were metal, you could not pick the pan up.
What can pick up things that are made of iron?
an iron magnet.
What does the electromagnet pick up?
Ferrous metal.
How does a crane use electromagnet?
A crane or junkyard crane uses an electromagnet to pick magnetic items up. The crane controls the electromagnet by using a a circuit that has a wire wrapped around a piece of metal that can be magnetized that's at the end of the crane's arm. When the circuit completes, the metal at the end of the cranes arm gets temporarily magnetized. When the current stops, the metal get demagnetized and can't pick things up anymore.
Why will an electromagnet be able to pick up more steel cans than a permanent magnet?
An electromagnet is a stronger magnet.
How many different kinds of metal can electromagnetism pick up and at what voltage?
Certain materials are strongly magnetic, such as nickel, iron, cobalt, and their alloys. Whether or not a particular electromagnet can pick up a particular piece of metal (assuming it in one of those on the list) depends on the size and weight of the metal and the strength of the electromagnet. http://en.wikipedia.org/wiki/Magnetism
Why would electromagnet be used in a recycling yard rather than a strong permanent magnet?
Because with an electromagnet, you can turn it off and on - you can pick things up with it then drop them again.
Will an electromagnet pick up a piece of copper?
no
What is a scrap yard magnet?
It is a magnet which moves metal around the scrap yard. Scientific explanation = It s a big round magnet which is actually an electromagnet. This allows the magnet to be turned on then off. When turned on the electromagnet attracts any magnetic substances. This is why most cars are made of something magnetic! You can move this electromagnet around because it is a crane you pick stuff up move it and then drop it by turning the electromagnet off!
If an electromagnet were used instead of a bar magnet to pick up nails the electromagnet would do what?
It will pick up the nails the same way a bar magnet would do!
How could an electromagnet on a crane at a scrapyard be made to pick up heavier cars?
increase the current on the electromagnet
Can an electromagnet pick up part of a train?
in fear of how this is being used .. but yes depends on how much metal the "part" is made of and magnet used .. but in theory should work
What does an electromagnet pick up?
Iron, Nickel, Cobalt
I have made a simple ir circuit that switches an LED on and off How can you replace the LED in the circuit with a homemade electromagnet so it can pick things up when triggered?
To create an electromagnet, you need to find a nail or similar long piece of ferrous metal. Then, take a wire and tightly wrap a wire around it as many times as you can in continuous coils. All you have to do once you have made the electromagnet is connect the two ends of the wire into your previously created circuit.
