a. Determine the average ac resistance for the characteristics of Fig. 10b.b. For networks...

a. Determine the average ac resistance for the characteristics of Fig. 10b.

b. For networks in which the magnitude of the resistive elements is typically in kilohms, is the approximation of Fig. 10c a valid one [based on the results of part (a)]?

FIG. 10b Developing the equivalent model to be employed for the base-to-emitter region of an amplifier in the dc mode.

FIG. 10c Developing the equivalent model to be employed for the base-to-emitter region of an amplifier in the dc mode.