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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
IntermediateMCQMathematicalConceptual18.6k
A DC circuit with four resistors connected to an ideal battery.
A DC circuit with four resistors connected to an ideal battery.
A circuit consists of an ideal battery with potential difference \(\varepsilon\) connected to four resistors with resistances \(R_1 = R\), \(R_2 = 2R\), \(R_3 = 2R\), and \(R_4 = R\), as shown. Resistor \(R_1\) is in series with the battery, and the circuit then splits into two parallel branches: one branch contains resistors \(R_2\) and \(R_3\) in series, and the other branch contains resistor \(R_4\). The currents through resistors \(R_1\), \(R_2\), \(R_3\), and \(R_4\) are \(I_1\), \(I_2\), \(I_3\), and \(I_4\), respectively. Which of the following correctly ranks the magnitudes of the currents through the four resistors from greatest to least?

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