Concept explainers
Find the Thé venin equivalent resistance seen byresistor
The Thevenin equivalent resistance seen by the resistor
Answer to Problem 3.62HP
The Thevenin equivalent resistance is
Explanation of Solution
Calculation:
The given diagram is shown in Figure 1
To calculate the value of Thevenin equivalent resistance, short circuit the voltage source and open circuit the current source, open circuit the load resistance
The required diagram is shown in Figure 2
From the above figure the expression for the equivalent resistance of the circuit is evaluated as,
The expression for the Thevenin resistance of the circuit is given by,
Substitute
To calculate the open circuit voltage of the circuit, open circuit the load resistance and redraw the circuit.
The required diagram is shown in Figure 3
The expression to evaluate the voltage across the resistance
The expression to evaluate the voltage across the resistance
The expression for the open circuit voltage is given by,
Substitute
Mark the values and draw the Thevenin equivalent seen by the loadresistance
The required diagram is shown in Figure 4
The expression for the Norton equivalent resistance is given by,
Substitute
To find the Norton current, short circuit the load resistance and redraw the circuit.
The required diagram is shown in Figure 5
To obtain the Norton current convert the voltage sources of the above circuit into current source and redraw the circuit..
The required diagram is shown in Figure 6
The resistance
The resistance
The expression for the Norton current is given by,
Mark the values and draw the Norton equivalent of the circuit.
The required diagram is shown in Figure 7
Conclusion:
Therefore, the Thevenin equivalent resistance is
Want to see more full solutions like this?
Chapter 3 Solutions
Package: Loose Leaf For Principles And Applications Of Electrical Engineering With 1 Semester Connect Access Card
- Consider the circuit shown in Figure P3.21. The measured value of the emitter voltage is Sketch the dc load line and plot the Q-point.arrow_forwardConsider the circuitshown below, where K = 0.2 mA/V2 and Vto = 0.8V.Suppose V1 and V3 must be equal. What is the maximum value that theycan have while M1 remains in saturation?arrow_forwardThe current gain or the transistor shown in the circuit of Figure P3.32 is Determinearrow_forward
- 3.For the Silicon transistors of the circuit of figure 3, β = 110 and the Early Voltage is equal to infinity a) Determine the value of the gain Av = vo/vs2Note: It is known that Vcc = 25v.arrow_forwardDerive the expressions for current-voltage I -V relation, short circuit current ISC, and open circuit voltage VOC of a p-n junction solar cell.arrow_forwardIf R0= 44 milliohms and Ri= 736 ohms, what is R1 , R2, R3 in the equivalent circuit????arrow_forward
- Consider the circuitshown below, where K = 0.2 mA/V2 and Vto = 0.8V.1) If V1 = 3V, what is the maximum V3 that can be used while M1 remains insaturation?2) Suppose V1 and V3 must be equal. What is the maximum value that theycan have while M1 remains in saturation?arrow_forwardConsider the circuit shown in Figure P3,34. Determine for:arrow_forwardKnow how to design simple voltage-divider and currentdivider circuits What is the maximum power dissipated in the 75 kΩ resistor?arrow_forward
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,