Question

how is electromagnet made ​

Answer 1

Answer:

When an electric current flows in a wire, it creates a magnetic field around the wire. This effect can be used to make an electromagnet . A simple electromagnet comprises a length of wire turned into a coil and connected to a battery or power supply. ... wrapping the coil around a piece of iron (such as an iron nail)

Answer 2

When an electric current flows in a wire, it creates a magnetic field around the wire. This effect can be used to make an electromagnet . A simple electromagnet comprises a length of wire turned into a coil and connected to a battery or power supply. ... wrapping the coil around a piece of iron (such as an iron nail)

I Hope it helps you