five identical capacitors connected in series have equivalent capacitance of 4 microfarad if all of them are now connected in parallel across 400 volt source energy stored in them will be
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Explanation:
Suppose C µF is the capacitance of each capacitor. Since 5 (= n) capacitors are connected in series, c/n =4 or C = 4 n = 4 × 5 = 20 µF When the capacitors are connected in parallel, then equivalent capacitance C′
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