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12. A base current of 50 µA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across Rc. Determine the Bpc of the transistor. FIGURE 4-53 Rc 1.0 k. RB VcC 100 kN VBB 13. Calculate apc for the transistor in Problem 12. 14. Assume that the transistor in the circuit of Figure 4–53 is replaced with one having a Bdc of 200. Determine Ig, Ic, IE, and VCE given that Vcc = 10 V and VBB = 3 V. 15. If Vcc is increased to 15 V in Figure 4–53, how much do the currents and VCE change?

12. A base current of 50 µA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across Rc. Determine the Bpc of the transistor. FIGURE 4-53 Rc 1.0 k. RB VcC 100 kN VBB 13. Calculate apc for the transistor in Problem 12. 14. Assume that the transistor in the circuit of Figure 4–53 is replaced with one having a Bdc of 200. Determine Ig, Ic, IE, and VCE given that Vcc = 10 V and VBB = 3 V. 15. If Vcc is increased to 15 V in Figure 4–53, how much do the currents and VCE change?

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
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PROBLEMS 217 12. A base current of 50 µA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across Rc. Determine the Bpc of the transistor. > FIGURE 4–53 Rc 1.0 kN RB Vcc 100 kN VBB 13. Calculate ɑpc for the transistor in Problem 12. 14. Assume that the transistor in the circuit of Figure 4-53 is replaced with one having a Bdc of 200. Determine IB, Ic, IE, and VCE given that Vcc = 10 V and VBB = 3 V. 15. If Vcc is increased to 15 V in Figure 4–53, how much do the currents and VCE change? 16. Determine each current in Figure 4–54. What is the Bpc? > FIGURE 4–54 Multisim file circuits are identified Rc 470 N with a logo and are in the Problems folder on the companion website. Filenames correspond to figure numbers (e.g., F04-54). RB 8 V Vcc 24 V 4.7 kN VBB 4 V 17. Find VCE, VBE, and VCB in both circuits of Figure 4–55. Rc Rc 390 N 180 N RB RB VcC 8 V VcC 15 V 3.9 kN Bpc = 50 27 kN BDc = 125 VBB 5 V - VBB 3 V (a) (b) FIGURE 4-55 18. Determine whether or not the transistors in Figure 4–55 are saturated.
Transcribed Image Text:PROBLEMS 217 12. A base current of 50 µA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across Rc. Determine the Bpc of the transistor. > FIGURE 4–53 Rc 1.0 kN RB Vcc 100 kN VBB 13. Calculate ɑpc for the transistor in Problem 12. 14. Assume that the transistor in the circuit of Figure 4-53 is replaced with one having a Bdc of 200. Determine IB, Ic, IE, and VCE given that Vcc = 10 V and VBB = 3 V. 15. If Vcc is increased to 15 V in Figure 4–53, how much do the currents and VCE change? 16. Determine each current in Figure 4–54. What is the Bpc? > FIGURE 4–54 Multisim file circuits are identified Rc 470 N with a logo and are in the Problems folder on the companion website. Filenames correspond to figure numbers (e.g., F04-54). RB 8 V Vcc 24 V 4.7 kN VBB 4 V 17. Find VCE, VBE, and VCB in both circuits of Figure 4–55. Rc Rc 390 N 180 N RB RB VcC 8 V VcC 15 V 3.9 kN Bpc = 50 27 kN BDc = 125 VBB 5 V - VBB 3 V (a) (b) FIGURE 4-55 18. Determine whether or not the transistors in Figure 4–55 are saturated.
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