A metallic sphere of radius 12 cm is melted and drawn into a wire, who – McqOptions

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1.	A metallic sphere of radius 12 cm is melted and drawn into a wire, whose radius of cross section is 16 cm. What is the length of the wire?
A.	45 cm
B.	18 cm
C.	90 cm
D.	None of these
Answer» E.

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