A) \[5{{C}_{1}}=3{{C}_{2}}\]
B) \[3{{C}_{1}}=5{{C}_{2}}\]
C) \[3{{C}_{1}}+5{{C}_{2}}=0\]
D) \[9{{C}_{1}}=4{{C}_{2}}\]
Correct Answer: B
Solution :
| [b] Potential = 0 on connecting them together i.e. |
| \[Q=0\] |
| i.e.\[{{C}_{1}}{{V}_{1}}={{C}_{2}}{{V}_{2}}\][capacitance is positive but they are connected with opposite polarity] |
| \[120\text{ }{{C}_{1}}=200\text{ }{{C}_{2}}\] |
| \[3{{C}_{1}}=5{{C}_{2}}\] |
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