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AP Physics 2
11.1 Electric Current
IntermediateMCQGraphicalConceptual19.9k
A 2D Cartesian graph showing current I on the vertical axis and time t on the horizontal axis. The vertical axis has tick marks labeled 0 and I_0. The horizontal axis has tick marks labeled 0, t_1, and 2t_1. From t = 0 to t = t_1, a straight line segment goes from (0, 0) to (t_1, I_0). From t = t_1 to t = 2t_1, a horizontal line segment extends from (t_1, I_0) to (2t_1, I_0). Grid lines are light gray. No other labels, lines, text, or axes appear.
Current versus time graph for the circuit element.
A variable power supply drives a time-dependent current through a circuit element. The current increases linearly from \(0\) to \(I_0\) between \(t = 0\) and \(t = t_1\), and then remains constant at \(I_0\) from \(t = t_1\) to \(t = 2t_1\). Which of the following graphs best represents the total charge \(Q\) that has passed through the circuit element as a function of time \(t\)?

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