Question

Find the equivalent capacitance between points A and B if c1=c2=c3=c

Answer 1

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When the three capacitors C₁ = C₂ = C₃ = C are in :

(1) Series

Equivalent capacitance = Cₓ

1/Cₓ = 1/C₁ + 1/C₂ + 1/C₃

1/Cₓ = (C₂C₃ + C₁C₃ + C₁C₂)/C₁C₂C₃

Cₓ = C₁C₂C₃/(C₁C₂ + C₂C₃ + C₁c₃)

(2) Parallel

Equivalent capacitance = Cₓ

Cₓ = C₁ + C₂ + C₃

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