Mina and Raju made electromagnets. They used the same kind of iron nail for making the electromagnet. Mina made by winding 80 turns on the nail and Raju made by winding 120 turns on the nail. Which will attract more pins? Why?
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Mina and Raju made electromagnets. They used the same kind of iron nail for making the electromagnet. Mina made by winding 80 turns on the nail and Raju made by winding 120 turns on the nail. Which will attract more pins? Why
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