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Question 31575
JEE Physics · Hard

Capacitance: Capacitors in Mixed Network MCQ

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Capacitors in Mixed NetworkHardQuestion 31575

Question

Capacitor 8 μF is in series with a parallel combination of 4 μF and 4 μF, all across 18 V. Voltage across 8 μF is:
  1. A
    9 V
    Correct
  2. B
    6 V
  3. C
    12 V
  4. D
    3 V

Correct answer

9 V

Explanation

Parallel pair = 8 μF. Series: 8 μF and 8 μF → C_eq = 4 μF. Charge Q = 4×18 = 72 μC. V across 8 μF = 72/8 = 9 V.

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