A copper rod of 1 cm diameter and 8 cm length is drawn into a wire of – McqOptions

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1.	A copper rod of 1 cm diameter and 8 cm length is drawn into a wire of uniform diameter and 18 m length. The radius (in cm) of the wire, is :
A.	$\frac{1}{15}$$
B.	$\frac{1}{30}$$
C.	$\frac{2}{15}$$
D.	$15$$
Answer» C. $\frac{2}{15}$$

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