Maximum Potential Difference in Series – Rankers Physics
Topic: Capacitors
Subtopic: Combination of Capacitors

Maximum Potential Difference in Series

A capacitor of capacitance \( 1\ \mu\text{F} \) can withstand a potential difference of \( 6\text{V} \) and another capacitor of \( 1\ \mu\text{F} \) can withstand a potential difference of \( 4\text{V} \). If they are connected in series, the combination can withstand a potential difference of
\( 3\text{V} \)
\( 4\text{V} \)
\( 6\text{V} \)
\( 8\text{V} \)

Solution:

Since both capacitors are in series and have equal capacitance, the total potential difference divides equally between them. The maximum potential is limited by the weaker capacitor: \( V_{\text{max}} = 2 \times 4\text{V} = 8\text{V} \).

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