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6. Under dc condition (i.e. circuit is connected for long time), calculate the value of I...
2) A dc battery is connected to an inductor and a resistor in series at time...
2) A dc battery is connected to an inductor and a resistor in series at time I = 0. The em the battery is 1.5 volts, the resistance Ris 10 02. and the inductance Lis 5.0 H a) Sketch the circuit. b) Write the equations for i and di/dt as functions of time. c) Sketch the graphs of i vs. I and di/dt vs. t. d) What are the values of i and di/dt at 1 = 0 seconds just...
QUESTION 2 [20 marks] (i) [10 marks] A 120-V dc generator energizes a motor whose coil...
QUESTION 2 [20 marks] (i) [10 marks] A 120-V dc generator energizes a motor whose coil has an inductance of 50 H in series with a resistance of 100 2. A field discharge resistor of 400 2 is connected in parallel with the motor to avoid damage to the motor, as shown in Figure 3. Find the current through the discharge resistor 100 ms after the breaker is tripped. (The circuit breaker has been in the closed position for a...
Question I : Consider the amplifier circuit shown below (p-150 for both transistors) (18 marks) +12V R4 1k8 R1 15k Q1 2N3904 C2+ 10μ R2 6V 4k7 2mA Out Q2 2N3904 C1 R3 10k R5 1k8 In 10H (i) Perform...
Question I : Consider the amplifier circuit shown below (p-150 for both transistors) (18 marks) +12V R4 1k8 R1 15k Q1 2N3904 C2+ 10μ R2 6V 4k7 2mA Out Q2 2N3904 C1 R3 10k R5 1k8 In 10H (i) Perform DC analysis and prove that the indicated voltages and currents in the figure are correctly calculated. Find the operating point of Q1 and Q2 (5 marks) (ii) Calculate the gain of this amplifier (5 marks) (iii) In the lab, only...
The following circuit has been connected for a long time, and the switch closes at t...
The following circuit has been connected for a long time, and
the switch closes at t = 0. If source F has a value of 68V, find
the value of ix for t = 0.03s.
30 70 w 60 w ix F t=0 750mH - 90 w
Problem 3: (20 points) When a DC source is connected to a series RC cireuit the time constant is 15.0 ms. When an 18.0 V RMS AC source is connected to the same series RC circuit you measure 3.17 V...
Problem 3: (20 points) When a DC source is connected to a series RC cireuit the time constant is 15.0 ms. When an 18.0 V RMS AC source is connected to the same series RC circuit you measure 3.17 V RMS across the capacitor a) (3 points) What is the resistor voltage? c) (5 points) What is the frequency of the source? If the resistor is 750.0 Q, what is the value of C? d) (6 points) An inductor is...
In the circuit to the right, the DC source, V, 2 volts for all time. The...
In the circuit to the right, the DC source, V, 2 volts for all time. The switch has been open a long time. Also, the capacitor is charged to 1 volt, so vd0-) =1. At t-0, the switch closes. Assume: C ¼ F, - 1 H, R-10 ohms. a) Find the current through the resistor for t> 0. (hint: at t-0+, di/dt- .04 amps per second.*) Plot your result using MATLAB or EXCEL. b) Att -0- what is the energy...
(a) In the circuit shown in Figure-6, the switch was on position-a for a long time....
(a) In the circuit shown in Figure-6, the switch was on position-a for a long time. Q6: At t 0, the switch is moved to position-b. Calculate Vc(0*) and i(0). 4] b) Draw the Laplace Transformed circuit at t20. (c) Solve Vc(t) 1 5 Ohms 1E1 2 H E2 10V Vc 1/4 F Figure-6
(a) (15 Marks) For the circuit in Figure 6 calculate: Av, Rot, Rt. Assume Rs- o,...
(a) (15 Marks) For the circuit in Figure 6 calculate: Av, Rot, Rt. Assume Rs- o, ? = 50, r" = 1.1 k? and both transistors are identical. What kind of feedback does this circuit represent? Vcc 150 k? 10 k? 47 k? 4.7 k? 10 ?F HHVo 33 k? R,-200 ?
Can you help me to solve question B4 , please:) please B1. (a) A DC circuit...
Can you help me to solve
question B4 , please:)
please
B1. (a) A DC circuit is shown in Figure Bl. 1092 B A 802 702 1402 18V Figure B1 Calculate (i) the total resistance across A and B (RT); (5 marks) (11) the total current from the DC supply (Is); (3 marks) (111) the potential difference(p.d.) across the 1422 resistor (V149); (2 marks) (iv) the current flowing through 1022 (11092); (3 marks) (v) the power dissipated by RI (PT)...
Answer a, b, c, d A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation...
Answer a, b, c, d
A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation which describes this circuit when subject to a step function is given below di 0.3.21-9 dt a) What is the time constant r of this system? b) Assume zero initial condition (0 when r0), find the solution i() of the...
2) A dc battery is connected to an inductor and a resistor in series at time I = 0. The em the battery is 1.5 volts, the resistance Ris 10 02. and the inductance Lis 5.0 H a) Sketch the circuit. b) Write the equations for i and di/dt as functions of time. c) Sketch the graphs of i vs. I and di/dt vs. t. d) What are the values of i and di/dt at 1 = 0 seconds just...
QUESTION 2 [20 marks] (i) [10 marks] A 120-V dc generator energizes a motor whose coil has an inductance of 50 H in series with a resistance of 100 2. A field discharge resistor of 400 2 is connected in parallel with the motor to avoid damage to the motor, as shown in Figure 3. Find the current through the discharge resistor 100 ms after the breaker is tripped. (The circuit breaker has been in the closed position for a...
Question I : Consider the amplifier circuit shown below (p-150 for both transistors) (18 marks) +12V R4 1k8 R1 15k Q1 2N3904 C2+ 10μ R2 6V 4k7 2mA Out Q2 2N3904 C1 R3 10k R5 1k8 In 10H (i) Perform DC analysis and prove that the indicated voltages and currents in the figure are correctly calculated. Find the operating point of Q1 and Q2 (5 marks) (ii) Calculate the gain of this amplifier (5 marks) (iii) In the lab, only...
The following circuit has been connected for a long time, and
the switch closes at t = 0. If source F has a value of 68V, find
the value of ix for t = 0.03s.
30 70 w 60 w ix F t=0 750mH - 90 w
Problem 3: (20 points) When a DC source is connected to a series RC cireuit the time constant is 15.0 ms. When an 18.0 V RMS AC source is connected to the same series RC circuit you measure 3.17 V RMS across the capacitor a) (3 points) What is the resistor voltage? c) (5 points) What is the frequency of the source? If the resistor is 750.0 Q, what is the value of C? d) (6 points) An inductor is...
In the circuit to the right, the DC source, V, 2 volts for all time. The switch has been open a long time. Also, the capacitor is charged to 1 volt, so vd0-) =1. At t-0, the switch closes. Assume: C ¼ F, - 1 H, R-10 ohms. a) Find the current through the resistor for t> 0. (hint: at t-0+, di/dt- .04 amps per second.*) Plot your result using MATLAB or EXCEL. b) Att -0- what is the energy...
(a) In the circuit shown in Figure-6, the switch was on position-a for a long time. Q6: At t 0, the switch is moved to position-b. Calculate Vc(0*) and i(0). 4] b) Draw the Laplace Transformed circuit at t20. (c) Solve Vc(t) 1 5 Ohms 1E1 2 H E2 10V Vc 1/4 F Figure-6
(a) (15 Marks) For the circuit in Figure 6 calculate: Av, Rot, Rt. Assume Rs- o, ? = 50, r" = 1.1 k? and both transistors are identical. What kind of feedback does this circuit represent? Vcc 150 k? 10 k? 47 k? 4.7 k? 10 ?F HHVo 33 k? R,-200 ?
Can you help me to solve
question B4 , please:)
please
B1. (a) A DC circuit is shown in Figure Bl. 1092 B A 802 702 1402 18V Figure B1 Calculate (i) the total resistance across A and B (RT); (5 marks) (11) the total current from the DC supply (Is); (3 marks) (111) the potential difference(p.d.) across the 1422 resistor (V149); (2 marks) (iv) the current flowing through 1022 (11092); (3 marks) (v) the power dissipated by RI (PT)...
Answer a, b, c, d
A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation which describes this circuit when subject to a step function is given below di 0.3.21-9 dt a) What is the time constant r of this system? b) Assume zero initial condition (0 when r0), find the solution i() of the...
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