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AP Physics C: E&M
11.7 Kirchhoff’s Junction Rule
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current Circuits
BeginnerMCQMathematicalProportional Analysis21.7k
A circuit containing an ideal battery, three identical resistors, and an open switch.
A circuit containing an ideal battery, three identical resistors, and an open switch.
The circuit shown consists of an ideal battery of electromotive force \(\mathcal{E}\), three identical resistors each of resistance \(R\), and an open switch \(S\). Resistor \(R_1\) is connected in series with the parallel combination of resistor \(R_2\) and the branch containing switch \(S\) and resistor \(R_3\). When switch \(S\) is closed, what is the current passing through resistor \(R_2\)?

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