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PROBLEMS this data and Vth, determine the Thévenin resistance, Rth, for our original circuit. A TB R1 VB B Figure 1.57: The circuit for problem 40.

PROBLEMS this data and Vth, determine the Thévenin resistance, Rth, for our original circuit. A TB R1 VB B Figure 1.57: The circuit for problem 40.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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PROBLEMS this data and Vth, determine the Thévenin resistance, Rth, for our original circuit. A TB R1 VB B Figure 1.57: The circuit for problem 40.
Transcribed Image Text:PROBLEMS this data and Vth, determine the Thévenin resistance, Rth, for our original circuit. A TB R1 VB B Figure 1.57: The circuit for problem 40.
39. You and your lab partner have built the circuit shown in Figure 1.56. The three resistors, R1, R2 and R3 all have resistances of 1 k2, while the two voltage sources have 5 V and 3 V (as shown). The circuit has two output terminals, A and B. Answer the following questions about the circuit. (NOTE: The orientation of the voltage sources is important.) (a) What is the voltage drop across R1 R2 R3 A 5 V 3 V B Figure 1.56: The circuit for problem 39. R3? (b) What is the current flowing through R1? (c) Sketch the Thévenin equivalent circuit as seen looking into the terminals A and B. What is the Thévenin voltage, Vth, of the circuit? (d) What is the power supplied by the two voltage sources? (e) In order to safely determine the Thévenin resistance of your circuit, you connect a fourth resistor, R4 = 1 k2, between A and B. Using your trusty yellow DVM, you measure a potential difference across R4 to be 0.4 V. Using %3D
Transcribed Image Text:39. You and your lab partner have built the circuit shown in Figure 1.56. The three resistors, R1, R2 and R3 all have resistances of 1 k2, while the two voltage sources have 5 V and 3 V (as shown). The circuit has two output terminals, A and B. Answer the following questions about the circuit. (NOTE: The orientation of the voltage sources is important.) (a) What is the voltage drop across R1 R2 R3 A 5 V 3 V B Figure 1.56: The circuit for problem 39. R3? (b) What is the current flowing through R1? (c) Sketch the Thévenin equivalent circuit as seen looking into the terminals A and B. What is the Thévenin voltage, Vth, of the circuit? (d) What is the power supplied by the two voltage sources? (e) In order to safely determine the Thévenin resistance of your circuit, you connect a fourth resistor, R4 = 1 k2, between A and B. Using your trusty yellow DVM, you measure a potential difference across R4 to be 0.4 V. Using %3D
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