In the following electrical network at t...

In the following electrical network at `t lt 0`, key is placed on (1) till the capacitor got fully charged. Key is placed on (2) at `t = 0`. Time when the energy in both the capacitor and inductor will be same for the first time is

`(pisqrt(LC))/(r)`

`(pisqrt(LC))/(2)`

`(5pisqrt(LC))/(4)`

`(5pisqrt(LC))/(2)`

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The correct Answer is:

B, C

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