11-10-11 Step Response of RC and RL Circuits

Do you think the voltage across an inductor can

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Question 6. Do you think the voltage across an inductor can change instantaneously? Explain. The voltage across an inductor cannot change instantaneously for the same reason the current in a capacitor cannot change instantaneously. However, the voltage change in an inductor is much greater than its current change. Question 7. Do you think the current in an inductor can change instantaneously? Explain. The current in an inductor cannot change instantaneously for the same reason the capacitor’s voltage cannot change instantaneously. The governing equation is , and this would require an infinite voltage to change the current instantaneously. Conclusion This lab was overall very effective. It demonstrated the effects and properties of capacitors and inductors incredibly well. We were able to use the equations to correctly predict and explain the output voltages for both sections. In addition, this experiment showed the effects of AC power and the usefulness of the square wave function. Error was rather absent during this experiment. Due to the many devices, and thus variables involved, this lack of error is a pleasant surprise. The math strongly correlated the experimental measurements, which is exactly what was expected to be seen. Although, initially for the RL Circuit we had error of 10% between our measured time constant and calculated. This was found to be human error as the time cursor had simply been moved too far. Overall, this experiment went very smoothly and we were able to analyze the RC and RL circuits.
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