PhysicsLAB NextTime Question
Series Circuits

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A simple series circuit consists of three identical lamps powered by a battery.
 
 
When a wire is connected between points a and b:

a) what happens to the brightness of lamp 3?

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b) does current in the circuit increase, decrease, or remain the same?

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c) what happens to the brightness of lamps 1 and 2?

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d) does the voltage drop across lamps 1 and 2 increase, decrease, or remain the same?

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e) is the power dissipated by the circuit increased, decreased, or does it remain the same?

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