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

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MCQ Practice

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 :

Subject: MathematicsTopic: Volume And Surface Area

A

frac115

B

frac130

C

frac215

D

15

Correct Answer: B

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