This example shows a memristor, a recently discovered device. It acts as a resistor, but the resistance varies depending on the current over time. In this example, use the slider at right to select the input voltage. The memristor has a high resistance at first, but current flow causes the resistance to decrease over time until it hits a minimum value. If you set the input voltage to a negative value, then the resistance will gradually increase until it hits a maximum value. A graph of the memristor's voltage, current, and resistance is shown below the circuit.

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