In an LR circuit, if XL = R, then power ...

In an LR circuit, if `X_L = R`, then power factor is `P_1`. In another LCR series circuit if `X_L = X_C`, then power factor is `P_2`. The value of `P_1/P_2` is

A

0.042361111111111

B

0.043055555555556

C

`1:sqrt(2)`

D

`sqrt(2):1`

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