What are electromagnets? How are they prepared ? What are their applications?
class 7
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Answer:
Electromagnets are a different from permanent magnets. Electromagnets are made of coils of wire with electricity passing through them. Moving charges create magnetic fields, so when the coils of wire in an electromagnet have an electric current passing through them, the coils behave like a magnet.
An electromagnet is a soft iron piece converted into a magnet when a current is passed in the wound around the iron piece.
An electromagnet is a soft iron piece converted into a magnet when a current is passed in the wound around the iron piece.Uses of Electromagnet-
An electromagnet is a soft iron piece converted into a magnet when a current is passed in the wound around the iron piece.Uses of Electromagnet-1. The electric bells are based an principle of electromagnet.
An electromagnet is a soft iron piece converted into a magnet when a current is passed in the wound around the iron piece.Uses of Electromagnet-1. The electric bells are based an principle of electromagnet.2. The electromagnets are also used in motors and generators.