Homework 21 ECE201 Linear Circuit Analysis Due in class Monday October 17 2011 1 In the circuit below C 1F and R 2 Determine the following a b c d e f g If i t 4u t A find voltages V4 0 and V5 0 If i t 4u t A find currents i4 0 and i5 0 If i t 4u t A find voltages V4 0 and V5 0 If i t 4u t A find currents i4 0 and i5 0 If i t 4u t A find charges Q4 0 and Q4 0 If i t 4u t A find i6 t and V6 t for 2 t 20 seconds If i t 4u t A plot current i1 t for 2 t 20 seconds 2 In the circuit below the switch has been at the state shown for a long time At time t1 0 seconds the switch instantaneously switches over to the other side And at time t2 4 seconds the switch returns to its initial state Determine the following a Find VL 0 and iL 0 b Find iL 0 VR 0 and VL 0 c Find the effective resistance resistor and dependent source seen by the inductor for time 0 t 4 seconds d Find the time constant of the circuit during 0 t 4 seconds e Find iL t and VR t for 0 t 4 seconds f Find the power absorbed by the dependent source for 0 t 4 seconds g Plot Vx t for 2 t 8 seconds
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