P26_025.PDF

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Chapter 26 - 26.25
25. The total energy is the sum of the energies stored in the individual capacitors. Since they are connected
in parallel, the potential difference V across the capacitors is the same and the total energy is
2 ( C 1 + C 2 ) V 2 = 1
2 2 . 0
×
10 − 6 F+4 . 0
×
10 − 6 F (300 V) 2 =0 . 27 J .
U = 1

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