Question 1023 of 749 · Maryland Journeyperson Electrician Exam
Which of the following metals is the best electrical conductor?
Exactly one answer is correct.
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Correct answer to question 1023
- C: Silver
Explanation
Silver has the lowest resistivity of common metals, followed by copper, gold and aluminum. Copper is used for wiring because it offers nearly the same conductivity at far lower cost.
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