AP Physics C Electricity and Magnetism Quiz
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ELECTRIC CIRCUITS
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A circuit consists of an ideal battery with EMF E and a resistor R1 in series with a parallel combination of two resistors, R2 and R3. Let I1 be the total current from the battery, which splits into I2 and I3 through R2 and R3, respectively.
Which equation is a valid application of Kirchhoff's loop rule for the loop containing the battery, resistor R1, and resistor R3?
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