what procedure will you follow to study magnetic field, if you are provided with parafin oil, iron nail, bar magnet, battery, coil and conductor wire?
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An iron nail is coiled with wire and connected to the battery. The temporary magnetism is included in an iron nail that is an electromagnet. We know that when magnetic material brought near the bar magnet it got attracted towards the magnet. However, when nonmagnetic will not get attracted. A bar magnet is permanent magnet and iron nail will work as a temporary magnet.
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