A copper wire 4 mm in diameter is evenly wound about a cylinder whose length is 24 cmn and diameter 20 em so as to cover the whole surface Find the length and weight of the wire assuming the specific density tabe 8.88 g/cm³.
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Step-by-step explanation:
= 2πr = 2π x 10 cm = 20 π cm. = (20 π × 60) cm = 1200 π cm. So, weight of wire = (48π2 × 8.88) gm = 426.24 π2 gm.
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