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(b) In the network in Figure Q3(b), find the capacitance Crif (i) the switch is open...
Question 3 (a) Referring to Figure Q3(a), determine: (i) (ii) i) the voltage across the capacitor...
Question 3 (a) Referring to Figure Q3(a), determine: (i) (ii) i) the voltage across the capacitor 2F, the current through the inductor 0.25H, and the total energy stored in the capacitor and the inductor. (2 marks) (2 marks) (4 marks) 1.5? 0.25H 12V 2F 10 .50 Figure Q3(a) (b) In the network in Figure Q3(b), find the capacitance Crif (i) the switch is open aned (ii) the switch is closed (6 marks) (6 marks) 64 F Figure Q3Kb) Total: 20...
Circuit Analysis Zo Is Zi ALi If FIGURE Q3(b) negative feedback network (b) Figure Q3(b) shows...
Circuit Analysis
Zo Is Zi ALi If FIGURE Q3(b) negative feedback network (b) Figure Q3(b) shows an amplifier with a Given Zof 100 kQ, Zo = 10 kQ and A 50 State the feedback topology and the amplifier type (i) (2 marks) (ii) Calculate the gain without feedback, A and the feedback factor, B. (6 marks) (iii) If the low cutoff frequency of the amplifier with feedback network (fL) is 300 Hz, calculate the low cutoff frequency (fi) if the...
Chapter 6, Problem 6.72 Find Lt in the network in the figure (a) with the switch...
Chapter 6, Problem 6.72 Find Lt in the network in the figure (a) with the switch open and (b) with the switch closed. All inductors are 18 mH. LT- @ mH @ mH
circuits urgent help Q3. In the circuit in Figure 3, the switch S has been open...
circuits urgent help
Q3. In the circuit in Figure 3, the switch S has been open for a very long time. It is closed at t= 0. (a) Find the current i(t) through the inductor for t2 0. (15 pts) (b) Find the voltage volt) for all t (i.e. for -- <t<5). (10 pts) 102 20 2 Vo t = 0 S + 50 V 0.100 50 mH
9) For the circuit shown in the figure, the switch S is initially open and the...
9) For the circuit shown in the figure, the switch S is initially open and the capacitor is uncharged. The switch is then closed at time t 0. What is the time constant of the circuit? How many seconds after closing the switch will the energy stored in the capacitor be equal to 49.1 x 10-3 J? The capacitance is 89 x 10-6 F, the resistor is 0.56 x 106 ohms, and the voltage is 40. V
b) A fault occurs at bus 4 of the network shown in Figure Q3. Pre-fault nodal...
b) A fault occurs at bus 4 of the network shown in Figure Q3. Pre-fault nodal voltages throughout the network are of 1 +j0 p.u. and the impedance of the electric arc is neglected (Zf-0+)0p.u). The positive, negative and zero sequence impedance parameters of the generator, transmission lines and transformer are given in Figure Q3 x,(1) 30. 15 p.u. 1岚12,-j0.15 p.u. 2 T2)0.15 Figure Q3. Circuit for problem 3b) (i) Assuming a balanced excitation, draw the positive, negative and zero...
2 Calculate the following quantities in the circuit below, assuming the switch is open. Switch 8-12V...
2 Calculate the following quantities in the circuit below, assuming the switch is open. Switch 8-12V С 3-6 F a) Equivalent capacitance Ceq b) Charge stored in the capacitor C2 c) Potential difference in the capacitor C2. d) Potential energy stored in the capacitor C2 Now the switch is closed. Find the following quantities. e) Equivalent capacitance Ceq. f) Charge stored in the capacitor C2. g) Potential difference in the capacitor C2. h) Potential energy stored in the capacitor C2.
(b) The unity feedback system is given as in Figure Q3 (b). (i) Determine the closed...
(b) The unity feedback system is given as in Figure Q3 (b). (i) Determine the closed loop transfer function of the system. (2 marks) 2 CONFIDENTIAL CONFIDENTIAL BEJ 20503/BEH 30603/BEF33003 (ii) Calculate the damping ratio š, peak time Tp, rise time Tr, percentage of overshoot%\ls and settling time Ts (5% criterion) of the system. (11 marks) Investigate the characteristic of the system response. (1 marks) (iii) R(s)+ E(s) C(s) 25 s(s + 6) Figure Q3(b)
(b) Figure Q3(b) show the unit step responscs of a system A and system B, respectively For each system Find the percent...
(b) Figure Q3(b) show the unit step responscs of a system A and system B, respectively For each system Find the percentage overshoot, % OS and the Peak time, T 6 marks Find the transfer function of both systems (i) [8 marks iii) You have to design a system which operate with settling time less than 5second, overshoot percentage less than 30% and which system will you choose, system A or system B, justified your answer. [3 marks |(ii) 1,5-...
2 Calculate the following quantities in the circuit below, assuming the switch is open. Switch С...
2 Calculate the following quantities in the circuit below, assuming the switch is open. Switch С 2-6 F a) Equivalent capacitance Ceq b) Charge stored in the capacitor C2. c) Potential difference in the capacitor C2. d) Potential energy stored in the capacitor C2 Now the switch is closed. Find the following quantities e) Equivalent capacitance Ceq. f) Charge stored in the capacitor C2. g) Potential difference in the capacitor C2 h) Potential energy stored in the capacitor C2
Question 3 (a) Referring to Figure Q3(a), determine: (i) (ii) i) the voltage across the capacitor 2F, the current through the inductor 0.25H, and the total energy stored in the capacitor and the inductor. (2 marks) (2 marks) (4 marks) 1.5? 0.25H 12V 2F 10 .50 Figure Q3(a) (b) In the network in Figure Q3(b), find the capacitance Crif (i) the switch is open aned (ii) the switch is closed (6 marks) (6 marks) 64 F Figure Q3Kb) Total: 20...
Circuit Analysis
Zo Is Zi ALi If FIGURE Q3(b) negative feedback network (b) Figure Q3(b) shows an amplifier with a Given Zof 100 kQ, Zo = 10 kQ and A 50 State the feedback topology and the amplifier type (i) (2 marks) (ii) Calculate the gain without feedback, A and the feedback factor, B. (6 marks) (iii) If the low cutoff frequency of the amplifier with feedback network (fL) is 300 Hz, calculate the low cutoff frequency (fi) if the...
Chapter 6, Problem 6.72 Find Lt in the network in the figure (a) with the switch open and (b) with the switch closed. All inductors are 18 mH. LT- @ mH @ mH
circuits urgent help
Q3. In the circuit in Figure 3, the switch S has been open for a very long time. It is closed at t= 0. (a) Find the current i(t) through the inductor for t2 0. (15 pts) (b) Find the voltage volt) for all t (i.e. for -- <t<5). (10 pts) 102 20 2 Vo t = 0 S + 50 V 0.100 50 mH
9) For the circuit shown in the figure, the switch S is initially open and the capacitor is uncharged. The switch is then closed at time t 0. What is the time constant of the circuit? How many seconds after closing the switch will the energy stored in the capacitor be equal to 49.1 x 10-3 J? The capacitance is 89 x 10-6 F, the resistor is 0.56 x 106 ohms, and the voltage is 40. V
b) A fault occurs at bus 4 of the network shown in Figure Q3. Pre-fault nodal voltages throughout the network are of 1 +j0 p.u. and the impedance of the electric arc is neglected (Zf-0+)0p.u). The positive, negative and zero sequence impedance parameters of the generator, transmission lines and transformer are given in Figure Q3 x,(1) 30. 15 p.u. 1岚12,-j0.15 p.u. 2 T2)0.15 Figure Q3. Circuit for problem 3b) (i) Assuming a balanced excitation, draw the positive, negative and zero...
2 Calculate the following quantities in the circuit below, assuming the switch is open. Switch 8-12V С 3-6 F a) Equivalent capacitance Ceq b) Charge stored in the capacitor C2 c) Potential difference in the capacitor C2. d) Potential energy stored in the capacitor C2 Now the switch is closed. Find the following quantities. e) Equivalent capacitance Ceq. f) Charge stored in the capacitor C2. g) Potential difference in the capacitor C2. h) Potential energy stored in the capacitor C2.
(b) The unity feedback system is given as in Figure Q3 (b). (i) Determine the closed loop transfer function of the system. (2 marks) 2 CONFIDENTIAL CONFIDENTIAL BEJ 20503/BEH 30603/BEF33003 (ii) Calculate the damping ratio š, peak time Tp, rise time Tr, percentage of overshoot%\ls and settling time Ts (5% criterion) of the system. (11 marks) Investigate the characteristic of the system response. (1 marks) (iii) R(s)+ E(s) C(s) 25 s(s + 6) Figure Q3(b)
(b) Figure Q3(b) show the unit step responscs of a system A and system B, respectively For each system Find the percentage overshoot, % OS and the Peak time, T 6 marks Find the transfer function of both systems (i) [8 marks iii) You have to design a system which operate with settling time less than 5second, overshoot percentage less than 30% and which system will you choose, system A or system B, justified your answer. [3 marks |(ii) 1,5-...
2 Calculate the following quantities in the circuit below, assuming the switch is open. Switch С 2-6 F a) Equivalent capacitance Ceq b) Charge stored in the capacitor C2. c) Potential difference in the capacitor C2. d) Potential energy stored in the capacitor C2 Now the switch is closed. Find the following quantities e) Equivalent capacitance Ceq. f) Charge stored in the capacitor C2. g) Potential difference in the capacitor C2 h) Potential energy stored in the capacitor C2
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