Marine Electrical Systems USCG Question #419 (Set 14)

In the regulated DC power supply illustrated, what is the function of section"B"? Illustration EL-0085

USCG Exam Illustration EL-0085
USCG Examination Diagram: Illustration EL-0085
Official USCG Answer & Rule Citation

Correct Answer: Option C — full wave rectification

Section "B" of the illustrated DC power supply incorporates a diode bridge network designed to invert the negative alternations of the incoming AC transformer output, thereby achieving full wave rectification to supply unidirectional pulsating current to subsequent filter stages.

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