Question 1031 of 731 · Texas Journeyman Electrician Exam

In a purely resistive AC circuit, such as an incandescent lamp, the power factor is:

Exactly one answer is correct.

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Correct answer to question 1031

  • D: 1.0 (unity)

Explanation

In a purely resistive circuit, voltage and current are in phase, so watts equal volt-amperes and the power factor is unity.

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