IGCSE /Grade 8
Science MCQ Based On Construct and use an electromagnet
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IGCSE Grade 8 Science Construct and use an electromagnet
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Turn off means to cut off.
Iron core can easily get magnetised.
Electromagnet is formed by the network of electric wires
An electromagnet is a temporary magnet which is made by passing electric current through an insulated copper wire wound around a soft iron core.
current depends on material of wire.
If number of turns increase then strength of currect will increase as well.
Magnet attracts metal like iron,copper and nickel.
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current using a soft iron core
Metal is conductor of electricity.
An electromagnet is a soft iron piece converted into a magnet when a current is passed in the wound around the iron piece.
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