Question 1028 of 731 · Texas Journeyman Electrician Exam

The RMS (effective) value of an AC voltage is the value that:

Exactly one answer is correct.

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Correct answer to question 1028

  • B: Produces the same heating in a resistor as an equal DC voltage

Explanation

The RMS value gives the same heating effect as the same amount of DC. Common meters and nameplates state AC voltage and current in RMS values.

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