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Compared to copper, how is the electrical conductivity of aluminum?

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Compared to copper, how is the electrical conductivity of aluminum?

(a) Higher

(b) Lower

(c) Equal

(d) Zero

I have been asked this question in an online interview.

Asked question is from Aluminium and its Alloys, Zinc and its Alloys in chapter Non Ferrous Materials of Engineering Material & Metallurgy

1 Answer

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Best answer
Correct answer is (a) Higher

To explain I would say: When equal weights are compared, aluminum is a better conductor than copper. It was found that aluminum conducts 201% more current than copper.

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