how will you magnetise an iron bar
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1- we will put it in contact with strong magnet for long time
2-we will melt it and than put it inside solenoid and than pass electricity... it's domain will be arranged and hence magnet will magnetize
2-we will melt it and than put it inside solenoid and than pass electricity... it's domain will be arranged and hence magnet will magnetize
shivam749:
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