A resistor R(1) dissipates the power P w...

A resistor `R_(1)` dissipates the power `P` when connected to a certain generator. If the resistor `R_(2)` is put in series with `R_(1)`, the power dissipated by `R_(1)`

`(PR_(2))/((R_(1)+R_(2)))`

`(PR_(2)^(2))/((R_(1)+R_(2))^(2))`

`(PR_(1)^(2))/((R_(1)+R_(2))^(2))`

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