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AP Physics 2
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current (DC) Circuits
11.3 Resistance, Resistivity, and Ohm’s Law
IntermediateMCQGraphicalConceptual24.4k
A Cartesian coordinate graph showing electric potential V in volts on the vertical axis versus position along a circuit loop on the horizontal axis. The vertical axis has labeled tick marks at -6, 0, 6, 12, and 18. A horizontal dashed line extends along V = 0. The horizontal axis has tick marks labeled in sequence from left to right: P, Q, R, S, T, and P. A solid line traces the potential: starting at P with a value of -6 V, a vertical upward line segment rises to +12 V at Q; a horizontal line segment runs at +12 V from Q to R; a straight line segment slopes downward from +12 V at R to 0 V at S; another straight line segment slopes downward from 0 V at S to -6 V at T; and a horizontal line segment runs at -6 V from T to the final tick P. No other labels, lines, text, or axes appear.
Electric potential \(V\) as a function of position around a single-loop circuit.
A single-loop direct current circuit consists of an ideal battery and two resistors, \(R_1\) and \(R_2\), connected in series with a reference ground point (\(V = 0\text{ V}\)) located between the resistors. The graph shows the electric potential \(V\) as a function of position as one travels clockwise around the loop, starting at point \(P\) at the negative battery terminal, crossing the battery to \(Q\), passing through resistor \(R_1\) between \(R\) and \(S\), and passing through resistor \(R_2\) between \(S\) and \(T\). Which of the following claims is correctly supported by the graph?

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