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AP Physics 2
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current (DC) Circuits
11.4 Electric Power
IntermediateMCQMathematicalConceptual21.5k
Circuit schematic containing three identical lightbulbs and a switch.
Circuit schematic containing three identical lightbulbs and a switch.
A circuit contains an ideal battery of potential difference \(V_0\), three identical lightbulbs labeled 1, 2, and 3, and a switch \(S\), as shown. Lightbulb 1 is in series with the battery, while Lightbulbs 2 and 3 are in parallel with each other through switch \(S\). Which of the following statements correctly describes the change in brightness of Lightbulbs 1 and 2 when switch \(S\) is closed, and provides the correct physical reasoning?

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