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In the circuit containing two capacitor and battery as shown in figure. Initially switch was closed, then energy of system is `E_1`. Now switch is opened and dielectric of K=5 is inserted between the plate of both capacitor. Energy of system is `E_2`. If `C_1 = C_2 =C`. Determine ration of `E_1:E_2`

A

41275

B

41306

C

41395

D

44684

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