Concept explainers
For the circuit in Figure P5.47, assume
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
Principles and Applications of Electrical Engineering
- Given circuit below, use superposition to find voltage across the capacitor, vclt). Frequency is 100 Hz. 6kn 4kn reee zkn O SmA <45 Vc (t) DC a) Given circuit below and switch ciosed for long time, what is the value of Vc? 5mA 3 luk bị At0, switch is opened. Write a mathematical expression for Velt) after opening of the switch. Evaluate this voltage at te10 ms. Attach File Browse Local Fies rowie Conent Cotection 74°Farrow_forward9 At t 0.arrow_forward6 At t< 0, the circuit shown in Figure P5.66 is at steady state, and the voltage across the capacitor is +7 V. The switch is changed as shown at t= 0, and Vs = 12 V C= 3,300 µF R = 9.1 k2 R = 4.3 k2 R3 = 4.3 k2 L= 16 mH Determine the initial voltage across R2 just after the switch is changed. t=0 Le )V½ R R 2 R3 ww-arrow_forward
- 4 If the switch in the circuit shown in Figure P5.64 is closed at t = 0 and Vs = 12 V C = 130 µF R = 2.3 k2 R, = 7 k2 L= 30 mH determine the current through the inductor and the voltage across the capacitor and across Rị after the circuit has returned to a steady state. t= 0 R1 Vs R2arrow_forwardConsider the R-C circuit. We removed the battery. We begin the capacitor initially fully charged. At initial time t=0, the switch was closed. Ans the questions that followsarrow_forwardRefer to Figure P5.11. Find the value of K₁ and K₂ that will result in a step response with a peak value of 1.5 sec. and a settling time of 3 sec. R(s) K₁ 30 s(s+2) K2s C(s)arrow_forward
- B Determine the voltage across the inductor just before and just after the switch is changed in Figure P5.38. Assume steady-state conditions exist for t < 0. Vs = 12 V Rs = 0.24 2 R = 33 k2 L = 100 mH t= 0 Rs + EIarrow_forward7 Steady-state conditions exist in the circuit shown in Figure P5.27 at t < 0. The switch is closed at t = 0. V = 12 V R = 0.68 k2 R = 2.2 k2 R = 1.8 k2 C= 0.47 µF Determine the current through the capacitor at t = 0+, just after the switch is closed. ww. idt) R. t= 0 R1 Ry ww-arrow_forward3. For the R-C circuit in below figure, composed of standard values: a. Determine the time constant of the circuit when the switch is thrown into position 1. b. Find the mathematical expression for the voltage across the capacitor and the current after the switch is thrown into position 1. c. Determine the voltage Vc and current éc the instant the switch is thrown into position 2, t-1s. d. Determine the mathematical equation for voltage Ve and current zc for the discharge phase. R=4.7KO, C=56µF, E=22V + 'R 29 ve (a)arrow_forward
- 1 Just before the switch is opened at t = 0, the current through the inductor is 1.70 mA in the direction shown in Figure P5.21. Did steady-state conditions exist just before the switch was opened? L= 0.9 mH Vs = 12 V R = 6 k2 R2 = 6 k2 R = 3 k2 t = 0 R2 R1 L R3{Va3 V83arrow_forwardSolve for the node voltages shown in Figure P5.53. 10/0 (+ 10 2 +j20 2 15 n 1 Figure P5.53 000arrow_forward6 Determine the voltage across the inductor just before and just after the switch is changed in Figure P5.26. Assume steady-state conditions exist for t < 0. Vs = 12 V R, = 0.7 2 R = 22 k2 L= 100 mH 1=0 R, R1arrow_forward
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,