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NEETPhysicsCapacitance

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): When a capacitor C₁ is connected in parallel with a series combination of two identical capacitors ( C₂ and C₃ , where C₁ = C₂ = C₃ ), the charge stored in C₁ is half the charge stored in C₂ . Reason (R): In a parallel circuit, the branch with the lower equivalent capacitance draws proportionally l

Options

  1. ABoth Assertion (A) and Reason (R) are correct and Reason (R) is the correct explanation of Assertion (A)
  2. BBoth Assertion (A) and Reason (R) are correct but Reason (R) is not the correct explanation of Assertion (A)
  3. CAssertion (A) is correct but Reason (R) is not correct
  4. DAssertion (A) is not correct but Reason (R) is correct

Correct answer

D. Assertion (A) is not correct but Reason (R) is correct

Step-by-step solution

Let the capacitance of each capacitor be C . The equivalent capacitance of the series branch containing C₂ and C₃ is C 2 . Since C₁ is in parallel with this series branch, the potential difference V across both branches is the same. The charge stored in C₁ is Q₁ = C₁ V = CV . The charge drawn by the series branch is Q_s = C_s V = ( C 2 )V . In a series combination, the charge on each capacitor is equal to the total charge of that branch. Therefore, the charge on C₂ is Q₂ = ( C 2 )V . Comparing the charges, Q₁ = 2Q₂

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