The charge stored in a capacitor is \( 20 \mu \mathrm{C} \) and the potential difference across ...

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The charge stored in a capacitor is \( 20 \mu \mathrm{C} \) and the potential difference across the plates is \( 500 \mathrm{~V} \). Its capacity is
(a) \( 0.04 \mu \mathrm{F} \)
(b) \( 10^{-2} \mu \mathrm{F} \)
(c) \( 2 \times 10^{-6} \mu \mathrm{F} \)
(d) \( 250 \mu \mathrm{F} \)
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