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electromagnet
An electromagnet is temporary because the field disappears when the current is switched off.
Yes
Electromagnet. Magnetic only when current is flowing in the coil.
turn it off by unplugging the current source.
electromagnet
An electromagnet is temporary because the field disappears when the current is switched off.
a temporary magnet can be created by an electromagnet but it can also be created by any type of strong magnet
Yes
A magnetic field.
Electromagnet. Magnetic only when current is flowing in the coil.
turn it off by unplugging the current source.
Perminant magnet
An electric current produces a magnetic field.
An electromagnet acts as a magnet only while electricity is passing through the coil. Once the electricity is turned off, the electromagnet ceases being a magnet. Electromagnets are much used in scrapyards. Attached to a crane, metal is picked up and deposited into railway wagons, or road haulage vehicles, to be sent for recycling.
It is called an electromagnet.
the write sentence for the word is a temporary magnet caused by an electric current