Principles And Applications Of Electrical Engineering
6th Edition
ISBN: 9789814577410
Author: RIZZONI
Publisher: Mcgraw-Hill
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Chapter 5, Problem 5.64HP
To determine
The value of voltage
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Determine the initial and final conditions for thecircuit of Figure P5.21.
Write the differential equation for t > 0 for thecircuit of Figure P5.27.
Assume the circuit of Figure P5.72 initially storesno energy. Switch S1 is open and S2 is closed. SwitchS1 is closed at t = 0, and switch S2 is opened at t = 5 s.Determine an expression for the capacitor voltagefor t ≥ 0.
Chapter 5 Solutions
Principles And Applications Of Electrical Engineering
Ch. 5 - Write the differential equations fort t0 for iL...Ch. 5 - Write the differential equation fort t0 for vc in...Ch. 5 - Write the differential equation fort t0 for iC in...Ch. 5 - Write the differential equation for t0 for iL in...Ch. 5 - Write the differential equation for t0 for vc in...Ch. 5 - Write the differential equations for t0 for iC and...Ch. 5 - Prob. 5.7HPCh. 5 - Write the differential equation for t0 for iC in...Ch. 5 - Write the differential equation for t0 for iL in...Ch. 5 - Write the differential equations for: t0 for iL...
Ch. 5 - Determine the initial and final conditions on iL...Ch. 5 - Determine the initial and final conditions on vc...Ch. 5 - Determine the initial and final conditions on iC...Ch. 5 - Determine the initial and final conditions on iL...Ch. 5 - Determine the initial and final conditions on vc...Ch. 5 - Determine the initial and final conditions on iC...Ch. 5 - Determine the initial and final conditions on vC...Ch. 5 - Prob. 5.18HPCh. 5 - Prob. 5.19HPCh. 5 - Determine the initial and final conditions on iL...Ch. 5 - At t=0 , just before the switch is opened, the...Ch. 5 - Prob. 5.22HPCh. 5 - Determine the current ic through the capacitor...Ch. 5 - Prob. 5.24HPCh. 5 - Prob. 5.25HPCh. 5 - Assume that steady-state conditions exist in...Ch. 5 - Assume that steady-state conditions exist in the...Ch. 5 - Prob. 5.28HPCh. 5 - Assume that steady-state conditions exist in the...Ch. 5 - Find the Thévenin equivalent network seen by the...Ch. 5 - Prob. 5.31HPCh. 5 - Prob. 5.32HPCh. 5 - Prob. 5.33HPCh. 5 - For t0 , the circuit shown in Figure P5.34 is at...Ch. 5 - The circuit in Figure P5.35 is a simple model of...Ch. 5 - Prob. 5.36HPCh. 5 - Determine the current iC through the capacitor in...Ch. 5 - Determine the voltage vL across the inductor in...Ch. 5 - Prob. 5.39HPCh. 5 - For t0 , the circuit shown in Figure P5.39 is at...Ch. 5 - Prob. 5.41HPCh. 5 - Prob. 5.42HPCh. 5 - Prob. 5.43HPCh. 5 - Prob. 5.44HPCh. 5 - For the circuit shown in Figure P5.41, assume that...Ch. 5 - Prob. 5.46HPCh. 5 - Prob. 5.47HPCh. 5 - For the circuit in Figure P5.47, assume...Ch. 5 - In the circuit in Figure P5.49, how long after the...Ch. 5 - Refer to Figure P5.49 and assume that the switch...Ch. 5 - The circuit in Figure P5.51 includes a...Ch. 5 - At t=0 the switch in the circuit in Figure...Ch. 5 - Prob. 5.53HPCh. 5 - The analogy between electrical and thermal systems...Ch. 5 - The burner and pot of Problem 5.54 can be modeled...Ch. 5 - Prob. 5.56HPCh. 5 - Prob. 5.57HPCh. 5 - Prob. 5.58HPCh. 5 - The circuit in Figure P5.59 models the charging...Ch. 5 - Prob. 5.60HPCh. 5 - In the circuit shown in Figure P5.61:...Ch. 5 - Prob. 5.62HPCh. 5 - If the switch shown in Figure P5.63 is closed at...Ch. 5 - Prob. 5.64HPCh. 5 - Prob. 5.65HPCh. 5 - Prob. 5.66HPCh. 5 - Prob. 5.67HPCh. 5 - Prob. 5.68HPCh. 5 - Assume the switch in the circuit in Figure...Ch. 5 - Prob. 5.70HPCh. 5 - Prob. 5.71HPCh. 5 - Prob. 5.72HPCh. 5 - Prob. 5.73HPCh. 5 - Prob. 5.74HPCh. 5 - Prob. 5.75HPCh. 5 - Prob. 5.76HPCh. 5 - Prob. 5.77HPCh. 5 - Prob. 5.78HPCh. 5 - Prob. 5.79HPCh. 5 - Assume the circuit in Figure P5.80 is in DC steady...Ch. 5 - Prob. 5.81HPCh. 5 - For t0 , determine v in Figure P5.82, assuming DC...
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- Determine (a) the amount of energy stored in each ofthe three capacitors shown in Fig. P5.22, (b) the equivalentcapacitance at terminals (a, b), and (c) the amount of energystored in the equivalent capacitorarrow_forwardFor t > 0, determine for what value of t v = 7.5 Vin the circuit of Figure P5.79 if the circuit is in steadystate at t = 0−.arrow_forwardThe inductor L in the circuit shown in Figure P5.36is the coil of a relay. When the current through the coilis equal to or greater than +2 mA, the relay functions.Assume steady-state conditions at t < 0. IfVS = 12 V, L = 10.9 mH, R1 = 3.1 kΩ determine R2 so that the relay functions at t = 2.3 s.arrow_forward
- Which of the following is true regarding the behavior of capacitors when energized by a DC source? a. At transient state, the capacitor behaves as an open circuit. b. At transient state, the capacitor behaves as a short circuit. c. At steady-state, the capacitor behaves as a short circuit. d. At steady-state, the capacitor behaves as an open circuit.arrow_forwardAssume the circuit of Figure P5.70 initially storesno energy. The switch is closed at t − 0. Finda. Capacitor voltage as t approaches infinityb. Capacitor voltage after 20 μsc. Maximum capacitor voltagearrow_forwardFor the circuit in the figure, initially the switch S is closed in (b), until the capacitor is charged; then the switch goes to point (a) so that the battery is disconnected and the capacitor, resistor and inductor are connected in series. Once S is connected at point (a), find a) the angular frequency of oscillation for the series circuit b) write the equation for the charge on the capacitor as a function of time with the respective values of Qmax, angular frequency Wd and time T c) make the Q(t) graph showing explicitly the envelope of the exponential decay (Hint: use geogebra or an application of your choice to obtain a graph).arrow_forward
- Capacitance= 5uF1) Determine the time constant of the circuit for the capacities2) For the capacity value, calculate the estimated time to come to the final state.3) Plot capacitor current and voltage graphs and show if it works in harmony with the time constant you calculated. NOTE: if you want you can use falstad online circuit simulator.arrow_forwardAssume that the circuit shown in Figure P5.73 isunderdamped and that the circuit initially has noenergy stored. It has been observed that after theswitch is closed at t = 0, the capacitor voltage reachesan initial peak value of 70 V when t = 5π/3 μs and asecond peak value of 53.2 V when t = 5π μs, and iteventually approaches a steady-state value of 50 V. Explain how to modify the circuit so that the first peakoccurs at 5π μs. Assume that C = 1.6 μF.arrow_forwardIn the circuit of Fig. P5.24, R = 5 ohms, C = 20 microF, and L = 7.25 mH. The steady- state voltage across L is VL = 145 sqrt(2) cos (2000t + 90°) V.(a) Calculate phasors IL and Vc. (b) Predict phasors IR and I.(c) Specify /(t).arrow_forward
- a) Find the final value for the capacitor voltage (Vc(∞ ))? b) Find the circuit time constant for t>0? c) Find an expression for the capcitor voltage for t>0?arrow_forwardThe equation of the charge on the capacitor at any time t for an LRC series circuits is givenas a) Assume there is no initial charge and current, sketch the graph of the charge. b) What happen to the charge after a long time? c) State the transient and the steady state terms.arrow_forwardConsider the circuit above. The switch has been closed for a very long time before opening at t=0s. Determine the Inductor current (in amperes) right after the switch has been opened, the time constant of the circuit for ?>0 (in ms), and the Expression for the inductor current for ?≥0.arrow_forward
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