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Why do cranes use electromagnets instead of permanent magnets?
Electromagnets are stronger and weigh far less than permanent magnets.
What are three types of magnets?
They are permanent, temporary and electromagnets
What is one advantage of using electromagnets instead of permanent magnets?
Electromagnets can be turned off and off
How are electromagnets different from magnets?
You can turn electromagnets on and off.
What is the different electromagnets and permanent magnet?
Electromagnets are non permanent magnets. They got magnetic field because of applied electric field. They lost their magnetic field which was around that, when the applied electric field is stopped. permanent magnets have magnetic property always with it. Permanent magnetic property loses when we heat the material. It cannot be regained once again. But electromagnets are capable of regaining its magnetic properties.
Are electromagnetic magnets permanent?
No, electromagnets are not permanent.
Why do cranes use electromagnets instead of permanent magnets?
Electromagnets are stronger and weigh far less than permanent magnets.
A permanent magnet can affect?
A permanent magnet can affect magnets and electromagnets.
Can electromagnets be stronger then permanent magnets?
Yes (and often are).
What are three types of magnets?
They are permanent, temporary and electromagnets
What do magnets attract that electromagnets do not?
Nothing, elctro magnets act just the same as permanent magnets
Permanent magnets and electromagnets both hold their magnetism for a long period?
the answer is false Permanent magnets will hold their magnetism for a long period of time. Electromagnets will only remain magnetic as long as current is flowing through them.
What is one advantage of using electromagnets instead of permanent magnets?
Electromagnets can be turned off and off
How are electromagnets different from magnets?
You can turn electromagnets on and off.
What is the different electromagnets and permanent magnet?
Electromagnets are non permanent magnets. They got magnetic field because of applied electric field. They lost their magnetic field which was around that, when the applied electric field is stopped. permanent magnets have magnetic property always with it. Permanent magnetic property loses when we heat the material. It cannot be regained once again. But electromagnets are capable of regaining its magnetic properties.
What are the types of magnets?
Ferro-magnets, permanent magnets, temporary magnets, and electromagnets. Ferro-magnets are magnets that are magnetic at a higher temperature than room temperature. do not quote me on that. permanent magnets are magnets that are always magnets, they are the kinds you use a lot. Temporary magnets are things that are magnetic in an extrenal magnetic field. Last but not least, electromagnets. Electromagnets are coils of wire around a cobalt, nickel, or iron. When ou run electricity through the wire, the core and wire become magnetic.
Are electromagnets used in generatorsto transform mechanical energy into electrical energy?
This requires magnets in general. It need not be an electromagnet; sometimes electromagnets are used, sometimes permanent magnets.
