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These exercises allow you to verify that you have mastered the graphic method of determining the time constant of a system. You can click on the switch of the circuit to observe charge or discharge of the capacitor.

**Click **on the “Change” button to change the values.**Click **on the “Take a test” button then **type **the correct response in the empty field or use the digital pad.**Click **then **slide** the line segments onto the curve to help determine the correct value.

- To practice the determination of the time constant from the time response.
- Illustrate different types of voltage steps.
- Represent the exponential nature of the transient response (in the case of a first order system).