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Questions  

Two capacitors C1, and C2, are charged to 120 V and 200 V respectively. It is found that by connecting them together the potential on each one can be made zero.
Then, 

a
3C1=5C2
b
3C1+5C2=0
c
9C1=4C2
d
5C1=3C2

detailed solution

Correct option is A

120C1=200C2           (∵Q=CV)6C1=10C23C1=5C2

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