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A capacitor of capacitance C = 900pF is charged fully by 100V battery B as shown in figure (a). Then it is disconnected from the battery and connected to another uncharged capacitor of capacitance C = 900pF as shown in figure (b). The electrostatic energy stored by the system (b) is:

 

(1) 2.25 × 10-6 

(2) 1.5 × 10-6 J

(3) 4.5 × 10-6 

(4) 3.25 × 10-6 J

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(1) 2.25 × 10-6 J

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