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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
AdvancedMCQMathematicalConceptual16k
Circuit schematic with battery, four resistors, and four ammeters.
Circuit schematic with battery, four resistors, and four ammeters.
An ideal battery of potential difference \(\Delta V\) is connected to a circuit containing four ideal ammeters (\(A_1\), \(A_2\), \(A_3\), \(A_4\)) and four resistors. Resistor \(R_1\) has resistance \(2R\), while resistors \(R_2\), \(R_3\), and \(R_4\) each have resistance \(R\). Ammeter \(A_1\) measures the total current leaving the battery, ammeter \(A_2\) is in series with \(R_1\), ammeter \(A_3\) is in series with \(R_2\), and ammeter \(A_4\) is in series with \(R_3\). Which of the following correctly ranks the currents \(I_1\), \(I_2\), \(I_3\), and \(I_4\) measured by ammeters \(A_1\), \(A_2\), \(A_3\), and \(A_4\), respectively?

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