Marine Electrical Systems USCG Question #443 (Set 15)

If a digital multimeter is set up as shown in figure "B" of the illustration to test a capacitor, what would the display read if the capacitor was functioning properly? Illustration EL-0213

USCG Exam Illustration EL-0213
USCG Examination Diagram: Illustration EL-0213
Official USCG Answer & Rule Citation

Correct Answer: Option B — the actual capacitance value of the capacitor will be displayed which should be within the tolerance range of the capacitor

Modern digital multimeters equipped with a capacitance function apply a known charge and measure the resulting voltage curve to determine absolute capacitance. A healthy capacitor displays a direct capacitance value matching its manufacturer rating within allowable tolerances, complying with standard electrical troubleshooting practices.

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