ECE 201 Circuit Theory I1 Step Response of an RC Circuit + v C (t) - i(t) Close the switch at t = 0 Write KCL at the top node Allow for the possibility.

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Presentation transcript:

ECE 201 Circuit Theory I1 Step Response of an RC Circuit + v C (t) - i(t) Close the switch at t = 0 Write KCL at the top node Allow for the possibility of an initial voltage V 0

ECE 201 Circuit Theory I2 Step Response of a RC Circuit Write KCL at the top node + v C (t) - i(t)

ECE 201 Circuit Theory I3 Look at the results Initial Capacitor = V 0 Final Capacitor = I s R Time Constant = RC

ECE 201 Circuit Theory I4 Results (continued) i(t) V 0 /R +V0-+V0-

ECE 201 Circuit Theory I5 Plot the current

ECE 201 Circuit Theory I6 Plot the capacitor voltage

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