14
Figure 2C.—A transistor amplifier.
IN ANSWERING QUESTIONS 2-28
THROUGH 2-34, REFER TO FIGURE 2-C.
2-28. Which resistors are fixed biased
resistors?
1. R1 and RL
2. R1 and R3
3. R1 and R2
4. R2 and R3
2-29. Which resistor is self-biased?
1.
R1
2.
R2
3.
R3
4. RL
2-30. Which waveform is the output for a class
AB amplifier with input number 1?
1. A
2. B
3. C
4. D
2-31. Which waveform is the output for a class
A amplifier with input number 2?
1. C
2. D
3. E
4. F
2-32. Which waveform is the output for a class
B amplifier with input number 1?
1. A
2. B
3. F
4. G
2-33. Which waveform is the output for a Class
C amplifier with input number 2?
1. A
2. B
3. C
4. G
2-34. If the circuit is operating as a class A
amplifier, but is being "overdriven,"
which output waveform is correct?
1. A
2. B
3. C
4. D
2-35. Which class of amplifier allows collector
current to flow for a full 360 degrees of
the input signal?
1. A
2. B
3. C
4. AB
2-36. Which class of amplifier allows collector
current to flow for more than 180 degrees
of the input signal but less than 360
degrees?
1. A
2. B
3. C
4. AB
