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Unformatted text preview: ECE 2100 Homework assignment 3 Solution prelab Covered: Chapters 5-7: Inductors and capacitors, Natural and step responses of RC and RL circuits, natural and step responses of RLC circuits, under, over and critically damped responses. 1) Prelab: Consider the following RC circuit and RL circuits: a. For the RC circuit, what its time constant? =RC=560 0.1 F= 56 s (alternate: accounting for 50 in source and shunt, R=585 b = 58.5 s ) b. What will the RC step response be? Hint: what are I( ) and Vout( ) if Vin(t)=1Vu(t)? Vout( )=1V, so Vout(t)= u(t)1V(1-exp(-t/56 s) c. For the LC circuit, what its time constant? =L/R=1200 H /560 = 2.14 s (alternate, R=585 b = 2.05 s ) d. What will the LC step response be? Hint: what are I( ) and Vout( ) if Vin(t)=1Vu(t)? Vout( )=0V, I( )=1V/560 , Vout(t)= u(t)1V(exp(-t/2.14 s) 2) Prelab: Consider the following RLC circuit which is driven by the function generator as...
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- Fall '05