how to make a electromagnet for class 7 project? please help
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Follow the steps to make a electromagnet
(i) Take a solenoid
(ii) And, place a magnet inside it
(iii) then, flow the current in solenoid
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See is picture I hope this helps you
you just need some material to make it
A strong magnetic field produced inside a solenoid can be used to magnetise a piece of magnetic material like soft iron when placed inside the coil(see the figure).
the magnet is so formed this called electromagnet.
and draw the figure
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