What is the name of the component labeled CR1 as shown in section "D" of the regulated DC power supply illustrated? EL-0085
Official USCG Answer & Rule Citation
Correct Answer: Option B — zener diode
Zener diodes are specifically designed to operate in the reverse breakdown region, maintaining a constant voltage across their terminals despite current variations. In regulated DC power supplies, they serve as reliable voltage reference elements compliant with marine electronic equipment standards.
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