Marine Electrical Systems USCG Question #189 (Set 7)

What power would be consumed by the series resistor in the circuit shown in the illustration if the source is 30 volts, the resistance for R1 is 10 ohms, R2 is 10 ohms and R3 is 10 ohms? Illustration EL-0032

USCG Exam Illustration EL-0032
USCG Examination Diagram: Illustration EL-0032
Official USCG Answer & Rule Citation

Correct Answer: Option A — 40 watts

Under USCG National Maritime Center examination standards, the accepted correct answer is: 40 watts.

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