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प्रश्न
Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.
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उत्तर
No. Electromagnets can only attract magnetic materials. A plastic bag is a non-magnetic material and will not be attracted by an electromagnet. Hence, an electromagnet cannot be used to separate plastic bags from a garbage heap.
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संबंधित प्रश्न
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