Two capacitors of unknown capacitance are connected in series and parallel. The effective capacitance in series and parallel combination are 4 `muF` to `18muF`, respectively . Find the capacitance of unknown capacitors.

Explanation

To find the capacitance of the unknown capacitors \( C_1 \) and \( C_2 \) given their effective capacitance in series and parallel, we can follow these steps:

### Step 1: Write the equations for series and parallel combinations
For capacitors in series, the effective capacitance \( C_s \) is given by:
\[ \frac{1}{C_s} = \frac{1}{C_1} + \frac{1}{C_2} \]
For the given problem, \( C_s = 4 \mu F \):
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