English, asked by gunal153, 6 months ago

Page 153 cornerstone grammar book

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Answered by king202032123456

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)

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