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Two electric bulbs rated P(1) watt V vol...

Two electric bulbs rated `P_(1)` watt V volt and `P_(2)` watt V, these are joined in parallel and voltage V are applied to it. The total power will be

A

`P_(1)+P_(2)` watt

B

`sqrt(P_(1)P_(2))` watt

C

`(P_(1)P_(2))/(P_(1)+P_(2))` watt

D

`(P_(1)+P_(2))/(P_(1)P_(2))`

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