A capacitor of capacitance 4 µF is charged to a potential of 2 volt. How much energy is stored in the capacitor? If the capacitor is now connected in parallel with an uncharged capacitor of capacitance 2 µF, what will be the common potential? Find also the charge on the capacitor.
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Q: What is the equivalent capacitance of a 1 Farad capacitor and a 0.5 Farad capacitor in parallel?
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