(Solved):
a. For the common-emitter characteristics in the figures shown below, find the dc beta at an opera ...
a. For the common-emitter characteristics in the figures shown below, find the dc beta at an operating point of \( V_{C E}=6 \mathrm{~V} \) and \( I_{C}=2 \mathrm{~mA} \). b. Find the value of \( \alpha \) corresponding to this operating point.