Radio Amateur Quiz Canadian License

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Question B-005-009-003

If two equal-value capacitors are connected in series, what is their total capacitance?

Correct Answer

Half the value of either capacitor

Explanation

Capacitors in series add reciprocally: 1/C_Total = 1/C1 + 1/C2. If C1=C2=C, then 1/C_Total = 1/C + 1/C = 2/C, so C_Total = C/2.

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