Physics
You are given an iron nail, a torch cell and a long piece of insulated copper wire. With the help of a labelled neat diagram, describe in steps how you will make the nail, an electromagnet.
Magnetism
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Answer
Procedure of making of electromagnet :
Take a long piece of insulated copper wire. Wrap it around the nail as shown in figure below.
Attach the free ends of the wire to the terminals of the torch cell. Now we have an electromagnet with which we can pick up small pieces of iron such as paper clips or allpins of iron.
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