A pnp transistor modeled with the circuit in Fig. 6.11 (b)

Chapter 6, Problem 6.24

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A pnp transistor modeled with the circuit in Fig. 6.11 (b) is connected with its base at ground, collector at 1.0 V, and a 10-mA current is injected into its emitter. If the transistor is said to have = 10, what are its base and collector currents? In which direction do they flow? If IS = 1015 A, what voltage results at the emitter? What does the collector current become if a transistor with = 1000 is substituted? (Note: The fact that the collector current changes by less than 10% for a large change of illustrates that this is a good way to establish a specific collector current.)

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