Bipolar Junction Transistors (BJT) - Technical MCQs

Q1:

What is the current gain for a common-base configuration where IE = 4.2 mA and IC = 4.0 mA?

A 16.80

B 1.05

C 0.20

D 0.95

ANS:D - 0.95

Given Data : IE=4.2ma IC=4.0mA. Where, Alpha= IC/IE. 4.0/4.2=0.95.