AZ ROC R-11 Electrical Practice Questions - Arizona ROC R-11 Electrical (Residential) Examination Exam

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Three resistive loads with resistances of 10 ohms, 20 ohms, and 20 ohms are connected in parallel across a single-phase AC circuit. What is the total equivalent resistance of this parallel combination?

5 ohms 10 ohms 15 ohms 50 ohms

Correct Answer:

5 ohms

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