What is the length of a wire with a radius of 0.2 mm that can be formed by melting a solid copper sphere with a diameter of 18 cm?

Volumes MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Volumesmathematics-mcqs › volumes
Published
12 Jul 2019
Last updated
28 May 2026

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Explanation

By calculating the volume of the copper sphere and equating it to the volume of the wire (considering the wire's radius), the resulting length of the wire is 24,300 meters.

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