Given: 2.2 dm3 of brass is to be drawn into a cylindrical wire 0.25 cm in diameter.
Diameter of cylindrical wire = 0.25cm
Radius of wire, r =
Let length of wire be h
Volume of the cylinder = πr2h
Volume of brass of 2.2dm3 is equal to volume of cylindrical wire
⇒ h = 448m
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