Question 1019 of 749 · Maryland Journeyperson Electrician Exam
How does the resistance of a conductor change if its length is doubled and the size stays the same?
Exactly one answer is correct.
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Correct answer to question 1019
- B: The resistance doubles
Explanation
Conductor resistance is directly proportional to length. Twice the length gives twice the resistance, which is why long runs have more voltage drop.
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