Which of the following is a good conducter cu ge mg all of these
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Answer: Copper (Cu)
Explanation:
Copper is the second good conductor after silver.
Whereas Germanium is a semi conductor.
Cu has a resistivity of 1.72 x 10^-8 ohms. And silver has 1.52 x 10^-8 ohms which is a small difference.
That is why we also prefer Cu in electrical wiring.
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