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3 (2) - Student Name brahim Akakaya#7392 Lab Session A(M...

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Student Name: İbrahim Akçakaya #7392 Lab Session: A (M 16:40-19:30) Date of Submission: 07/11/2007 ENS 203 LAB # 3 SERIES RC AND RL CIRCUITS Post Lab Evaluation 1) RC circuit is a low pass filter. In low frequency, it has a good gain. RL is a high pass filter. In higher frequencies it has a good gain. 2) Capacitor is an open circuit in low frequencies. It gets all the voltage. So the gain is high. However in higher frequencies capacitor behaves like a short circuit. Therefore we do not see any voltage along capacitor which means the gain is nearly zero. 3) The first plot is the magnitude plot of RC circuit while the second is RL. RC circuit has more gain in low frequencies with respect to high frequencies. RL circuit has the opposite behaviour. 1/ 2
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4) Inductor does not permit the immediate change in the current. When the voltage across the source change from positive to negative, the current is still going the way which it goes previously. This creates twice voltage of the source across the inductor (has
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