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AP Physics 2
11.7 Kirchhoff’s Junction Rule
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current (DC) Circuits
11.3 Resistance, Resistivity, and Ohm’s Law
AdvancedMCQMathematicalProportional AnalysisConceptual13.7k
Circuit schematic containing four identical lightbulbs and a switch.
Circuit schematic containing four identical lightbulbs and a switch.
A circuit consists of an ideal battery providing a constant potential difference \(\Delta V_0\) connected to four identical lightbulbs, labeled 1, 2, 3, and 4, each having a constant resistance \(R\). A switch \(S\) connected in parallel across bulb 3 is initially open, as shown in the diagram. The switch \(S\) is then closed. Which of the following correctly ranks the magnitudes of the change in current, \(|\Delta I| = |I_{\text{final}} - I_{\text{initial}}|\), through the four bulbs from greatest to least?

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