A copper wire of diameter 6mm is evenly wrapped on the cylinder of the lenth 18 cm and diameter 49 cm to cover its whole surface . find the lenth of the wire

1
the wire covers the top and bottom also?
does the wire iswrapped along the bottom and top of the cylinder
no
not sure

Answers

2015-01-25T14:22:53+05:30
The lenght of the cylinder is 18cm then No. of turns=18/radius of wire=60 turns Length of wire=No. of turns×lenght of 1 turn where lenght of 1 turn = circumference of cylinder Circumference=154 Length of wire = 154×60=9240
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