a. Using the characteristics of Fig. 3.8, determine the collector current if IE= 4.5 mA and VCB= 4V and repeat part (a) with IE= 4.5 and VCB= 16 V. b. How have changes in VCB affected the resulting level of IC? c. In an approximate way, how are IE and IC related based on the previous results?

a. Using the characteristics of Fig. 3.8, determine the collector current if IE= 4.5 mA and VCB= 4V and repeat part (a) with IE= 4.5 and VCB= 16 V. b. How have changes in VCB affected the resulting level of IC? c. In an approximate way, how are IE and IC related based on the previous results?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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Question

Question 3.13

a. Using the characteristics of Fig. 3.8, determine the collector current if IE= 4.5 mA and VCB= 4V and repeat part (a) with IE= 4.5 and VCB= 16 V.
b. How have changes in VCB affected the resulting level of IC?
c. In an approximate way, how are IE and IC related based on the previous results?

k (mA)
Región activa (área no sombreada)
7 mA
7
6 mA
6.
5 mA
4 mA
3 mA
2 mA
lg = 1 mA
1
Ig = 0 mA
-1
5
10
15
20
VCB (V)
Región de corte
FIG. 3.8
Salida o características del colector de un amplificador de transistor en base común.
Región de saturación
4)
3.
2.

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