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Problem 4 ( 20 points): The applied voltage in the following transformer circuit is 10 cos...
Figure 2 shows a power supply circuit comprising a transformer coupling the mains voltage on the...
Figure 2 shows a power supply circuit comprising a transformer coupling the mains voltage on the left to the full-wave rectifier circuit on the right. It is given that the mains voltage (Vmains) is 230 V RMS, the mains frequency (fin) is 50 Hz, the transformer T1 has a ratio of 9:1, the load resistance (RL) is 1 k. and the capacitance of the capacitor (C) is 470 uF. a. Calculate the following: 1. the transformer AC output RMS voltage...
8–31 A voltage vs(t) = 50 cos (5000t) V is applied to the circuit in Figure...
8–31 A voltage vs(t) = 50 cos (5000t) V is applied to the circuit in Figure P8–31. (a) Convert the circuit into the phasor domain. (b) Find the phasor current flowing through the circuit and the phasor voltages across the inductor and the resistor. (c) Plot all three phasors from (b) on a phasor diagram. Describe if the current leads or lags the inductor voltage. i(t) 50 22 25 mH 00 + VL(t) - + Vr(t)- vs(t) (+) FIGURE P8-31
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
14. Problem For the circuit in figure below, find the steady-state output voltage vo (t). The inp...
14. Problem For the circuit in figure below, find the steady-state output voltage vo (t). The input signal is v (t) and C = 5 μF 4-2 cos 100t, R 1 kΩ Do C R 12 U)
14. Problem For the circuit in figure below, find the steady-state output voltage vo (t). The input signal is v (t) and C = 5 μF 4-2 cos 100t, R 1 kΩ Do C R 12 U)
Problem 4: Assume Vin 10 cos(201) 4a) Write the voltage node equations for the following circuit....
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Problem 4: Assume Vin 10 cos(201) 4a) Write the voltage node equations for the following circuit. 4b) Solve for V1, V2, and V3 4c) Simulate this circuit in PartSim and check your answers VO 10 V1 20 V2 V3 1mF 2mF 3mF Vin(ヘン Problem4
Problem 4: Assume Vin 10 cos(201) 4a) Write the voltage node equations for the following circuit. 4b) Solve for V1, V2, and V3 4c) Simulate this circuit in PartSim and check your answers...
P.3 The voltage across the terminals of a circuit is: v(t) = 30+ 20 cos(1207t +45°)+10...
P.3 The voltage across the terminals of a circuit is: v(t) = 30+ 20 cos(1207t +45°)+10 cos(120nt - 459) V and the current entering the terminal is: i(t) = 6+4 cos(120wt +10°) - 2 cos(120ft -60°) A a) Calculate the RMS value of the voltage b) Calculate the RMS value of the current c) Calculate the average value of the power absorbed by the circuit
Problem E1.2.6 (20 points) Consider the magntically coupled circuit that involves an ideal transformer as depicted...
Problem E1.2.6 (20 points) Consider the magntically coupled circuit that involves an ideal transformer as depicted in Figure E1.2.6. The sinusoidal voltage source frequency is 20 x 103 (rad/sec). The load connected to the secondary winding (RHS of the ideal transformer) consists of a variable resistor R in series with a variable capacitor C. (a) Find the values of R and C for maximum power transfer from the voltage source in the primary winding. (b) What is the maximum average...
An ideal transformer with 5 turns on the primary and 10 turns on the secondary is...
An ideal transformer with 5 turns on the primary and 10 turns on the secondary is shown in the figure. A sinusoidal voltage source having V(t) = 10 sin(100t) volts is connected across the primary and a 1 Ω resistor is connected across the secondary. What is the maximum value of the current in the primary circuit (not the secondary)? (answer is 40 amps)
Problem 5 (20 points) No energy is stored in the 100 mH inductor or the 0.4...
Problem 5 (20 points) No energy is stored in the 100 mH inductor or the 0.4 LF capacitor when the switch in the circuit shown in figure below is closed. 0.1 H -O 2800 0.4 F 50 V uc Fig. 5 a) Find the values of a and co b) What is the type of circuit response for t>0? c)What is the initial voltage across the capacitor at t=0- and at t=0+? d) Find an expression for the current through...
7. A sinusoidal voltage Vt) (200V) sin(ot) is applied to a series RLC circuit with, L=10...
7. A sinusoidal voltage Vt) (200V) sin(ot) is applied to a series RLC circuit with, L=10 mH, C=100 nF and R=20.0 2. a) Find the resonant frequency. b) Find the amplitude of the current at resonance. c) Find the amplitude of the voltage across the inductor at the resonant frequency
Figure 2 shows a power supply circuit comprising a transformer coupling the mains voltage on the left to the full-wave rectifier circuit on the right. It is given that the mains voltage (Vmains) is 230 V RMS, the mains frequency (fin) is 50 Hz, the transformer T1 has a ratio of 9:1, the load resistance (RL) is 1 k. and the capacitance of the capacitor (C) is 470 uF. a. Calculate the following: 1. the transformer AC output RMS voltage...
8–31 A voltage vs(t) = 50 cos (5000t) V is applied to the circuit in Figure P8–31. (a) Convert the circuit into the phasor domain. (b) Find the phasor current flowing through the circuit and the phasor voltages across the inductor and the resistor. (c) Plot all three phasors from (b) on a phasor diagram. Describe if the current leads or lags the inductor voltage. i(t) 50 22 25 mH 00 + VL(t) - + Vr(t)- vs(t) (+) FIGURE P8-31
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
14. Problem For the circuit in figure below, find the steady-state output voltage vo (t). The input signal is v (t) and C = 5 μF 4-2 cos 100t, R 1 kΩ Do C R 12 U)
14. Problem For the circuit in figure below, find the steady-state output voltage vo (t). The input signal is v (t) and C = 5 μF 4-2 cos 100t, R 1 kΩ Do C R 12 U)
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for milli
Problem 4: Assume Vin 10 cos(201) 4a) Write the voltage node equations for the following circuit. 4b) Solve for V1, V2, and V3 4c) Simulate this circuit in PartSim and check your answers VO 10 V1 20 V2 V3 1mF 2mF 3mF Vin(ヘン Problem4
Problem 4: Assume Vin 10 cos(201) 4a) Write the voltage node equations for the following circuit. 4b) Solve for V1, V2, and V3 4c) Simulate this circuit in PartSim and check your answers...
P.3 The voltage across the terminals of a circuit is: v(t) = 30+ 20 cos(1207t +45°)+10 cos(120nt - 459) V and the current entering the terminal is: i(t) = 6+4 cos(120wt +10°) - 2 cos(120ft -60°) A a) Calculate the RMS value of the voltage b) Calculate the RMS value of the current c) Calculate the average value of the power absorbed by the circuit
Problem E1.2.6 (20 points) Consider the magntically coupled circuit that involves an ideal transformer as depicted in Figure E1.2.6. The sinusoidal voltage source frequency is 20 x 103 (rad/sec). The load connected to the secondary winding (RHS of the ideal transformer) consists of a variable resistor R in series with a variable capacitor C. (a) Find the values of R and C for maximum power transfer from the voltage source in the primary winding. (b) What is the maximum average...
Problem 5 (20 points) No energy is stored in the 100 mH inductor or the 0.4 LF capacitor when the switch in the circuit shown in figure below is closed. 0.1 H -O 2800 0.4 F 50 V uc Fig. 5 a) Find the values of a and co b) What is the type of circuit response for t>0? c)What is the initial voltage across the capacitor at t=0- and at t=0+? d) Find an expression for the current through...
7. A sinusoidal voltage Vt) (200V) sin(ot) is applied to a series RLC circuit with, L=10 mH, C=100 nF and R=20.0 2. a) Find the resonant frequency. b) Find the amplitude of the current at resonance. c) Find the amplitude of the voltage across the inductor at the resonant frequency
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