Concept explainers
Calculate the value of
Answer to Problem 91P
The value of
Explanation of Solution
Given data:
Refer Figure 3.127 in the textbook for the transistor circuit.
The common-emitter current gain
The base-emitter voltage
Formula used:
Write the expression for collector current in transistor.
Here,
Write the expression for emitter current of transistor.
Calculation:
The Thevenin resistance of the input circuit is the parallel combination of
The Thevenin voltage of the input circuit is the voltage across
Modify the Figure 3.127 with the incorporation of Thevenin equivalent circuit as shown in Figure 1.
Apply Kirchhoff’s voltage law to input loop in Figure 1.
Substitute equation (2) in (3).
Substitute
Simplify the above equation as follows.
From Figure 1, write the expression for voltage
Substitute equation (2) in (4).
Substitute
Apply Kirchhoff’s voltage law to output loop in Figure 1.
Substitute equation (1) in (6).
Substitute
Conclusion:
Therefore, the value of
Want to see more full solutions like this?
Chapter 3 Solutions
Package: Fundamentals Of Electric Circuits With 2 Semester Connect Access Card
- 3. Find the Norton equivalent between terminals a and b.arrow_forward1. The power consumed by the R3 resistor in the circuit given below, a) Calculate the mesh analysis methodb. Calculate by node analysis method. c. Calculate by Thevenin's theorem. I sent you question's image. Could you please solve it with all 3 methods?arrow_forwardfind current Ix in the circuit, using the superposition theoremarrow_forward
- Using mesh analysis, calculate the value of the grid current A if the source marked as X has a value of 22 Amps.arrow_forwardFor the circuit below, Is = 1.5 A, Vs = 48 V, R1 = 19 Ω, R2 = 5 Ω, R3 = 12 Ω, and R4 = 18 Ω. Find the Thevenin equivalent of the network below between terminals(a) A and Barrow_forward#7. Use Nodal analysis, Mesh Analysis, and Superposition to solve following problem: Determine v, in the circuit of Fig. 4.80]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,