Class 12 Physics Moving Charges Magnetism Introduction

Introduction:

In our childhood, we all might have experienced iron nails getting attracted to a magnet. We have also witnessed or heard current carrying copper wire wound around iron acting as a magnet in a science project. That time all of that seemed magical, although it is all science. It is due to magnetism.

Magnetism is a phenomenon due to which moving charges (or magnets) attract ferromagnetic objects and repel diamagnetic objects.

This diagram below shows that when iron nails are brought closer to a magnet, they get attracted and stick to the magnet

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