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induction motor (in washer for example), compass, speaker
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What are some of the uses of magnets and electromagnets in our daily life?
like using laptop
How are electromagnets different from magnets?
You can turn electromagnets on and off.
Are electromagnets used in cameras?
Camera magnets are actually electromagnets; the magnetic field on an electromagnet is only there when you need it. They work like magnets everywhere else do; they are used in place of springs.
Why do cranes use electromagnets instead of permanent magnets?
Electromagnets are stronger and weigh far less than permanent magnets.
Can Permanent magnets be turned on and off?
Electromagnet which uses electric current can be turned on and off.
What do magnets attract that electromagnets do not?
Nothing, elctro magnets act just the same as permanent magnets
Are electromagnetic magnets permanent?
No, electromagnets are not permanent.
A permanent magnet can affect?
A permanent magnet can affect magnets and electromagnets.
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 do not quote me on that.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.
What is one advantage of using electromagnets instead of permanent magnets?
Electromagnets can be turned off and off
What types of magnets are used in a MRI machine?
Electromagnets
Can electromagnets be stronger then permanent magnets?
Yes (and often are).
