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MHT CET 2026 (18 Apr, Shift 2) · Combination of Capacitors

Combination of Capacitors question from MHT CET 2026 (18 Apr, Shift 2)

Q5MHT CET 2026 · 18 APR · SHIFT 2Easy

Combination of Capacitors

Three identical capacitors connected in series have net capacitance ' $x$ '. Then they are connected in parallel. The ratio of energy stored in series configuration to that in parallel configuration is (if both configurations are connected to the same source)

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Answer: (c)

Series: $C_s = \frac{C}{3}$ ; parallel: $C_p = 3C$ .
Same source: $U = \frac{1}{2}C V^2 \propto C$ .
$\frac{U_s}{U_p} = \frac{C/3}{3C} = \frac{1}{9}$ .
So the answer is (c) $1 : 9$ .

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