determine the mathematical expectations for the
current iL
repeat part a if the switch is is opend at t=1
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determine the mathematical expectations for the
current iL
repeat part a if the switch is is...
*21. For the network in Fig. 11.88: Determine the mathematical expressions for the current and the...
*21. For the network in Fig. 11.88: Determine the mathematical expressions for the current and the voltage UL following the closing of the switch. a. b. Repeat part (a) if the switch is opened at 1 ps. c. Sketch the waveforms of parts (a) and (b) on the same set of axes. FIG. 11.88 Problem 21 .
Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltag...
Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltag e yL and the current İL following the (9 marks) (4 marks) closing of the switch. (b) Sketch the waveforms of yi and i, obtained in part (a). (c) Determine the mathematical expression for the voltage vis following the closing of (2 marks) the switch, and sketch the waveform. ム 5 H 10 k12 16H L3引30H 30V Figure Q2
2. a. Find the mathematical expression for the transient behavior of the voltage across the capacitor...
2. a. Find the mathematical expression for the transient behavior of the voltage across the capacitor of the following figure if the switch is thrown into position 1 at 0 s. 3 b. Repeat part (a) for ic c. Find the mathematical expressions for the response of ve and ic if the switch is thrown into position 2 at t 30 ms. d. 1.5 1.5 Find the mathematical expressions for the voltage vc and current ic if the switch is...
ANSWER ALL THE QUESTIONS Question 1 For the circuit shown in Figure Q1, select a value...
ANSWER ALL THE QUESTIONS Question 1 For the circuit shown in Figure Q1, select a value of R so that the energy stored in the inductor is equal to the energy stored in the capacitor at steady state. 22 Ω 10mH 15v (t Figure Q1 (5 marks) Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltage yz and the current ic following the (9 marks) (4 marks) closing of the switch. (b) Sketch...
QUESTION 4(Total 12.5 Marks) The switch current and voltage waveforms of a power converter are shown in the next page....
QUESTION 4(Total 12.5 Marks) The switch current and voltage waveforms of a power converter are shown in the next page. The switch has a maximum junction temperature, T,max140°C and a junction-to-case thermal resistance Rc 0.55°C/w (a) How much power is dissipated by the switch? Sketch the power waveform (7.5 marks) (b) The converter operates in an ambient of 25°C and the switch is mounted on a heat sink. Specify the value of thermal resistance of the heat sink, if a...
Consider the circuit in figure 4. a) find the thevenin equivalent of the network connected to...
Consider the circuit in figure 4.
a) find the thevenin equivalent of the network connected to
the inductor L1.
b) find the mathmatical equations for the transient behavior
of the current. iL(t) and the voltage vL(t) following the closing
of the switch.
c) determine the value of current iL at t= 20?s.
Question 5 (10 points) (Obj. 4) Consider the circuit in Figure 4. a) Find the Thevenin equivalent of the network connected to the inductor L1.(4 points) mathematical equations...
Please help with number 1. 1 SECTION - A Question 1 - DC Circuits and DC...
Please help with number 1. 1
SECTION - A Question 1 - DC Circuits and DC Transients [25] After having been open for a very long time, the switch in the circuit shown in Figure 1 is closed at t= 0. Cat Find the currents 11, 12 and is immediately after the switch has been closed. 61 Find the equivalent resistance after the switch is closed and determine the time constant of the circuit. 0 Determine the mathematical expressions for...
2.) For the inductor charging/ discharging circuit of Figure 3, switch S1 is closed at time...
2.) For the inductor charging/ discharging circuit of Figure 3, switch S1 is closed at time t = 0 while switch S2 remains open. ( 240 pts) (a.) Determine the equations for the inductor voltage, current and time constant T. Assume the initial inductor current is zero. V.(t) = Il(t) = T1= (b) After switch Si has been closed for a time period of 0.75*T1, 51 remains closed and switch S2 is then end. Find the new equations for inductor...
IP The switch in the circuit shown in the figure(Figure 1) is open initially. Part A...
IP The switch in the circuit shown in the figure(Figure 1) is
open initially.
Part A Find the current in the circuit a long
time after the switch is closed. Express your answer in terms of
some or all of the variables E, R1, R2, and
L.
Part B. Describe the behavior of the lightbulb
from the time the switch is closed until the current reaches the
value found in part A.
Part C. Now, suppose the switch is opened...
For the circuit below, the switch has been open for a long time and is then...
For the circuit below, the switch has been open for a long time and is then closed at t=0. a. Make an accurate sketch of the voltage on R; versus time, labeling key values. (18 pts) b. Given that the time constant for this circuit is 80 ms, give the value of the voltage on R; at = 20 ms (7 pts) Switch R 1 k2 20 V - Rik2 c 100 uF R; 3 Κά The voltage and current...
*21. For the network in Fig. 11.88: Determine the mathematical expressions for the current and the voltage UL following the closing of the switch. a. b. Repeat part (a) if the switch is opened at 1 ps. c. Sketch the waveforms of parts (a) and (b) on the same set of axes. FIG. 11.88 Problem 21 .
Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltag e yL and the current İL following the (9 marks) (4 marks) closing of the switch. (b) Sketch the waveforms of yi and i, obtained in part (a). (c) Determine the mathematical expression for the voltage vis following the closing of (2 marks) the switch, and sketch the waveform. ム 5 H 10 k12 16H L3引30H 30V Figure Q2
2. a. Find the mathematical expression for the transient behavior of the voltage across the capacitor of the following figure if the switch is thrown into position 1 at 0 s. 3 b. Repeat part (a) for ic c. Find the mathematical expressions for the response of ve and ic if the switch is thrown into position 2 at t 30 ms. d. 1.5 1.5 Find the mathematical expressions for the voltage vc and current ic if the switch is...
ANSWER ALL THE QUESTIONS Question 1 For the circuit shown in Figure Q1, select a value of R so that the energy stored in the inductor is equal to the energy stored in the capacitor at steady state. 22 Ω 10mH 15v (t Figure Q1 (5 marks) Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltage yz and the current ic following the (9 marks) (4 marks) closing of the switch. (b) Sketch...
QUESTION 4(Total 12.5 Marks) The switch current and voltage waveforms of a power converter are shown in the next page. The switch has a maximum junction temperature, T,max140°C and a junction-to-case thermal resistance Rc 0.55°C/w (a) How much power is dissipated by the switch? Sketch the power waveform (7.5 marks) (b) The converter operates in an ambient of 25°C and the switch is mounted on a heat sink. Specify the value of thermal resistance of the heat sink, if a...
Consider the circuit in figure 4.
a) find the thevenin equivalent of the network connected to
the inductor L1.
b) find the mathmatical equations for the transient behavior
of the current. iL(t) and the voltage vL(t) following the closing
of the switch.
c) determine the value of current iL at t= 20?s.
Question 5 (10 points) (Obj. 4) Consider the circuit in Figure 4. a) Find the Thevenin equivalent of the network connected to the inductor L1.(4 points) mathematical equations...
Please help with number 1. 1
SECTION - A Question 1 - DC Circuits and DC Transients [25] After having been open for a very long time, the switch in the circuit shown in Figure 1 is closed at t= 0. Cat Find the currents 11, 12 and is immediately after the switch has been closed. 61 Find the equivalent resistance after the switch is closed and determine the time constant of the circuit. 0 Determine the mathematical expressions for...
2.) For the inductor charging/ discharging circuit of Figure 3, switch S1 is closed at time t = 0 while switch S2 remains open. ( 240 pts) (a.) Determine the equations for the inductor voltage, current and time constant T. Assume the initial inductor current is zero. V.(t) = Il(t) = T1= (b) After switch Si has been closed for a time period of 0.75*T1, 51 remains closed and switch S2 is then end. Find the new equations for inductor...
IP The switch in the circuit shown in the figure(Figure 1) is
open initially.
Part A Find the current in the circuit a long
time after the switch is closed. Express your answer in terms of
some or all of the variables E, R1, R2, and
L.
Part B. Describe the behavior of the lightbulb
from the time the switch is closed until the current reaches the
value found in part A.
Part C. Now, suppose the switch is opened...
For the circuit below, the switch has been open for a long time and is then closed at t=0. a. Make an accurate sketch of the voltage on R; versus time, labeling key values. (18 pts) b. Given that the time constant for this circuit is 80 ms, give the value of the voltage on R; at = 20 ms (7 pts) Switch R 1 k2 20 V - Rik2 c 100 uF R; 3 Κά The voltage and current...
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