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Choose incorrect statement : When two identical capacitors are charged individually to different potential, and connected to each other after disconnecting them from source .

(A) Net energy stored in two capacitors is less than sum of initial individual energies

(B) Net charge equals sum of initial charges

(C) Net potential difference across them equals the half of sum of individual potential difference

(D) Net potential difference across them is different from the sum of individual initial potential difference 

Can you answer this question?

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Common potential $V= \large\frac{C_1 V_1 +C_2 V_2}{C_1+C_2}$
When $ C_1=C_2=C$
$V= \large\frac{V_1 +V_2}{2}$
Hence C is the correct answer.
answered Jan 6, 2014 by meena.p

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