Marine Electrical Systems USCG Question #549 (Set 19)

Referring to figure "B" of the illustration, what statement is true? EL-0020

USCG Exam Illustration EL-0020
USCG Examination Diagram: Illustration EL-0020
Official USCG Answer & Rule Citation

Correct Answer: Option A — The current drawn by the circuit will be inversely proportional to the total resistance of the entire circuit.

Ohm's Law establishes that current is inversely proportional to resistance when voltage is held constant ($I = V/R$). In a series circuit, as total resistance increases, the overall circuit current decreases proportionally, aligning with marine electrical distribution fundamentals.

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