विद्युत चुम्बक का प्रयोग कचरे के ढेर से किस प्रकार की वस्तुओ को अलग करने के लिए किया जाता है?
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1
Answer:
magnet is used to take out things made of iron from waste
Explanation:
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4
Explanation:
iron , cobalt and nickel as well as alloys composed of these ferromagnetic metals are strongly Attracted to magnet....
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