Three identical capacitors each of capacitance are connected as shown: two in parallel, and this combination connected in series with the third. What is the equivalent capacitance of the network?

Answer and explanation

Correct answer: A.

  1. Step 1: Calculate the equivalent capacitance of the two capacitors connected in parallel: .
  2. Step 2: Combine in series with the third capacitor : .
  3. Step 3: Inverting gives: .
Answer
.
Why not the others: is two in series in parallel with one; is all three in parallel; is all three in series.

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Three identical capacitors each of… | JEE Main Capacitance