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In the given figure, the total charge stored in the combination of capacitors is $$100 \ \mu$$C. The value of 'x' is _____.
Correct Answer: 5
$$C_{eq} = C_1 + C_2 + C_3$$
$$C_{eq} = (x + 5) \mu\text{F}$$
$$Q = C_{eq}V$$: $$100 = (x + 5) \times 10$$
$$x = 5$$
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