Question

how can you make a temporary and permanent magnet from solenoid​

Answer 1

Answer:The strength of an electromagnet can be increased by increasing the number of loops of wire around the iron core and by increasing the current or voltage. You can make a temporary magnet by stroking a piece of iron or steel (such as a needle) along a permanent magnet

Rub the rod with two magnets, drawing the north pole of one magnet from the center of the rod to one end while you draw the south pole of the other magnet in the opposite direction. Hang the bar vertically and hit it repeatedly with a hammer. The magnetizing effect is stronger if you heat the rod.

Explanation:

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Answer 2

Answer:

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