Question 13041 of 749 · Maryland Journeyperson Electrician Exam
On a single-phase circuit, the length of the run is doubled and the load current is cut in half, with the same conductor. What happens to the voltage drop?
Exactly one answer is correct.
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Correct answer to question 13041
- A: It stays the same
Explanation
Voltage drop is proportional to the product I x L (VD = 2 x K x I x L / CM). Doubling L and halving I leaves I x L, and therefore VD, unchanged.
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