Question

4.
Write the answers in your words.
(a) How is an 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).