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Mathematics, 26.07.2021 20:00 rosepotato789

20. A cylindrical coil of copper wire has 700 turns each of diameter 4cm. (a) Use the value for n ?to find the total length of the wire. Give your answer in metres (b) If the mass of the coil is 3.3 kg, find the mass of lm of the copper wire. Give your answer in grams.

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