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Ratio of charges on capacitors in a series-parallel network

This type of question, asked 2 times: 26 Apr 2025 S1, 15 Apr 2026 S1. All 2 questions below, oldest first.

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  1. Question 1

    26 Apr 2025 S1

    12
    Three capacitors C1=CC_1 = C, C2=2CC_2 = 2C and C3=3CC_3 = 3C are connected to a battery, with C1C_1 and C2C_2 in series and C3C_3 connected in parallel across that series combination. The ratio of charge on capacitors C3C_3 and C1C_1 is

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  2. Question 2

    15 Apr 2026 S1

    128
    Four capacitors are connected to a battery as shown in figure. The ratio of charges on capacitors C2C_2 and C4C_4 is

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