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The _ _ must be wound evenly to work properly answer |
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Answer» tion:Clearly, one round of WIRE covers 4mm= 104 cm in thickness of the SURFACE of the cylinder and LENGTH of the cylinder is 24cmNumber of ROUNDS to cover =24cm= 104 24 = 424×10 =60Diameter of the cylinder =20cmRadius of cylinder =10cmLength of the wire in completing one round =2πr=2π×10cm=20πcmLength of the wire in covering the whole surface= Length of the wire in completing 60 rounds =(20π×60)cm=1200πcmRadius of copper wire =2mm= 102 cmVolume of wire =(π× 102 × 102 ×1200π)cm 3 =48π 2 cm 3 So weight of wire =(48π 2 ×8.88)gm=426.24π 2 gm |
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