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Electrostatic Potential and Capacitance: NEET 2022

Hard· Energy Stored in a Capacitor (Energy Stored in a Capacitor and Energy Density in Electric Field)· +4 / −1
A capacitor of capacitance C=900 pFC=900\ \text{pF} is charged fully by 100 V battery B as shown in figure (a). Then it is disconnected from the battery and connected to another uncharged capacitor of capacitance C=900 pFC=900\ \text{pF} as shown in figure (b). The electrostatic energy stored by the system (b) is:
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