A metallic sphere of radius 6 cm is melted and drawn into a wire, whos – McqOptions

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1.	A metallic sphere of radius 6 cm is melted and drawn into a wire, whose radius of the cross–section is 8 cm. What is the length of the wire?
A.	3.5 cm
B.	5 cm
C.	4.5 cm
D.	4 cm
Answer» D. 4 cm

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