Electrical and Computer Engineering Homework Solutions

Steady State Conditions

Just before the switch is opened at t=0, the current through the inductor is 1.70 mA in the direction shown in figure (PLEASE SEE ATTACHMENT). Did steady-state conditions exist just before the switch was opened? L = 0.9 mH; R1 = 6k Ohm; R2 = 6k Ohm; R3 = 3k Ohm; Vs = 12V

Steady State/Current

Determine the current through the capacitor just before and just after the switch is closed in the figure. Assume steady-state conditions for t< ... (PLEASE SEE ATTACHED FOR COMPLETE PROBLEM AND DIAGRAM)

Capacitor- Underdamped or Overdamped

For the circuit, determine if it is underdamped or overdamped. Find also the capacitor value that results in critical damping. (See attachment for diagram)

determine voltage for capacitor

please see the attached

Ideal voltage sources

I am attaching a scanned image of a circuit problem, please answer and show the method used in determining the answer.

Frequency Response

Determine the frequency response for the attached circuit. Thanks!

Fourier Series

Compute the Fourier series coefficient of the periodic function shown in the attached figure and defined as {see attachment}. Thank you!

Input Impedance

See attachment for diagram. a.) Determine how the input impedance Z (jw) = Vi (jw) / Ii (jw) behaves at extremely high or low frequencies.

Frequency Response

Please determine the frequency response of the attached circuit.

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