The diameter of a copper sphere is 12 cm. The sphere is melted and is – McqOptions

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1.	The diameter of a copper sphere is 12 cm. The sphere is melted and is draw into a long wire of uniform circular cross-section. If the length of wire is 48 cm, find its diameter.
A.	3√6 cm
B.	2√6 cm
C.	√6 cm
D.	6 cm
Answer» C. √6 cm

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