Question

How can an iron nail be magnetized permanently?​

Answer 1

Answer:

With only basic materials such as a permanent magnet, electrical wires and a battery, a teacher can demonstrate different ways to magnetize an iron nail. He can turn a nail into an electromagnet, or permanently magnetize it by rubbing it with another magnet.

Answer 2

Answer:

With only basic materials such as a permanent magnet, electrical wires and a battery, a teacher can demonstrate different ways to magnetize an iron nail. He can turn a nail into an electromagnet, or permanently magnetize it by rubbing it with another magnet.