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Capacitors

Two identical...

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Two identical capacitor C1 and C2 of capacitance 10micro farad are connected in series to a cell of emf 12V. Capacitor C2 is filled with dielectric constant=4. The energy stored in capacitor C2 is

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Q. Effective capacitance of parallel combination of two capacitors

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(C \to

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)

Match the following column:

Column I	Column II
$(A)$ $\frac{C_{1}}{C_{2}}$	$(p)$ $8 / 9$ $(q)$ $4 / 9$ $(r)$ $9 / 8$ $(s)$ None of these
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