How to make the model of an electromagnetic crane?
An electromagnet is a temporary magnet obtained by passing electric current through a wire coiled around a soft iron ( or steel). The soft iron core behaves like a magnet till the time current flows through the wire.
This concept is used in the electromagnetic crane.
For the construction please refer the answer posted by your friend.
@Rajnish: Good effort!! keep it up!!
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Magnetic fields are produced when all the electrons in a metal object are spinning in the same direction, either as a natural phenomenon, in an artificially created magnet, or when they are induced to do so by an electromagnetic field. This article will explain the steps required to produce an electromagnetic field around a steel rod, creating an electromagnet, using simple things which you can find around your home
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