55555555558. Which of the following configurations has the lowest output impedance? (a) Fixed-bias (b) Voltage-divider (c) Emitter-follower (d) None of the above
555555555559. The ________ configuration is frequently used for impedance matching. (a) fixed-bias (b) voltage-divider bias (c) emitter-follower (d) collector feedback
555555555569. In an emitter-follower, the voltage gain is ________. (a) slightly less than 1 (b) slightly more than 1 (c) a very large value (d) None of the above
555555555553. What is the range of the input impedance of a common-base configuration? (a) A few ohms to a maximum of 50 (b) 1 k to 5 k (c) 100 k to 500 k (d) 1 M to 2 M