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Question: Answered & Verified by Expert
Three capacitors of capacity $C_1, C_2 C_3$ are connected in series. Their total capacity will be
PhysicsCapacitanceJEE Main
Options:
  • A $C_1+C_2+C_3$
  • B $1 /\left(C_1+C_2+C_3\right)$
  • C $\left(C_1^{-1}+C_2^{-1}+C_3^{-1}\right)^{-1}$
  • D None of these
Solution:
2741 Upvotes Verified Answer
The correct answer is: $\left(C_1^{-1}+C_2^{-1}+C_3^{-1}\right)^{-1}$
$\frac{1}{C_R}=\frac{1}{C_1}+\frac{1}{C_2}+\frac{1}{C_3} \Rightarrow C_R=\left(C_1^{-1}+C_2^{-1}+C_3^{-1}\right)^{-1}$

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