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what happened to the nail & safety fence when end of magnetic wire was connect to the dry cell​

Sagot :

Answer:

The more loops the coil has, the stronger the magnetic field, while the current is flowing. ... But when you coil the wire around an iron nail, the magnetic domains inside the nail line up and make a strong, temporary magnet. If you disconnect the wire, the magnetic field disappears and the nail is no longer a magnet.

correct me if im wrong