One of the important inventions that use electromagnets include DC shunts. These are common in small toys and many other gadgets that need rotating gears.
True...
See: http://en.wikipedia.org/wiki/Electromagnet
NO,THEY ARE NOT......only uses a normal magnet at the door.
Electromagnets
Electromagnets are primarily used to produce electricity Any large scale facility with lots of instruments will definitely have electromagnets in it. Generators in the powerhouse uses big electromagnets to produce AC voltage which is then transported for the commercial or residential use.
True...
yes
Yes it did
CAT Scan does not use electromagnets, its MRI (Magnetic Resonance Imaging) which uses Electromagnets to produce images of the patient's body.
Anything that uses electromagnets to work, such as credit cards, monitors, or hard drives.
describe an invention that uses indicators
Electromagnets
NO,THEY ARE NOT......only uses a normal magnet at the door.
See: http://en.wikipedia.org/wiki/Electromagnet
Electromagnets
Electromagnets have several uses. They are used in cranes to pick heavy metal objects, to lift tiny metal scraps from wound by doctors, motor and generators, electric bells, loudspeakers, etc.
Electromagnets are primarily used to produce electricity Any large scale facility with lots of instruments will definitely have electromagnets in it. Generators in the powerhouse uses big electromagnets to produce AC voltage which is then transported for the commercial or residential use.