In the circuit shown, lamp P is rated 250 V, 50 W and lamp Q is rated 250 V, 200 W. The two lamps are connected in series to a 250 V power supply.
Assume that the resistance of each lamp remains constant.
Which statement most accurately describes what happens when the switch is closed?

Lamp P emits four times as much power as lamp Q.
2 )
Lamp P emits twice as much power as lamp Q.
3 )
Lamp Q emits four times as much power as lamp P.
4 )
Lamp Q emits twice as much power as lamp P.
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