Question

what are the methods of making magnets from iron pieces​

Answer 1

rub the iron pieces with a magnet from an imaginary point A to B

we should not rub opposite like B to A if you start to rub A to B then we must contine in same order. do it for 75 times

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Answer 2

Single touch method , Double touch method, magnetization by passing electric current

Explanation:

Single touch method and double touch method are more or less same . The only difference is the use of no. of magnets in magnetisation. In single touch method you stroke a magnet on an iron piece from one pole to other numerous times. The same is done using two magnets in the other method. you can magnetise an iron piece by passing electricity through a circuit and turning the piece to a temporary magnet, also called electromagnet.