Eight capacitors of the same value are connected in series. Their equivalent capacitance is 200 μF, the capacitance of each capacitor is _______.

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  1. 16 × 10-4 F
  2. 160 μF
  3. 16 μF
  4. 25 μF

Answer (Detailed Solution Below)

Option 1 : 16 × 10-4 F
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Detailed Solution

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Concept of Equivalent Capacitance in Series:

For capacitors connected in series, the equivalent capacitance (Cseries) is given by:

1 / Cseries = 1 / C1 + 1 / C2 + ... + 1 / Cn

For n identical capacitors each of capacitance C, the formula simplifies to:

Cseries = C / n

Given Data:

  • Number of capacitors (n) = 8
  • Equivalent capacitance (Cseries) = 200 μF

Calculation:

We know that:

Cseries = C / n

Rearranging to solve for the capacitance of each capacitor (C):

C = Cseries × n

Substituting the given values:

C = 200 μF × 8

C = 1600 μF

Conclusion:

Hence, the capacitance of each capacitor is 1600 μF = 16 × 10-4 F

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