Three equal condensers of capacity $C$ each are connected to form a triangle as shown above. The effective capacity across any side is :

3 C / 2

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3 C

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C / 3

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C / 2

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Solution

The correct option is C $3 C / 2$

Two capacitor are in series ,

$\frac{1}{C e q} = \frac{1}{C} + \frac{1}{C} ⟹ C e q = \frac{C}{2}$

Now this capacitor is in parallel with the C ,
$C_{e} = C + \frac{C}{2} C_{e} = \frac{3 C}{2}$

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