Malvino Chapter 10

Chapter 10 

1. The emitter is at ac ground in a 
a. CB stage 
b. CC stage 
c. CE stage 
d. None of these 

2. The output voltage of a CE stage is usually 
a. Constant 
b. Dependent on re' 
c. Small 
d. Less the one 

3. The voltage gain equals the output voltage divided by the 
a. Input voltage 
b. AC emitter resistance 
c. AC collector resistance 
d. Generator voltage 

4. The input impedance of the base increases when 
a. Beta increases 
b. Supply voltage increases 
c. Beta decreases 
d. AC collector resistance increases 

5. Voltage gain is directly proportional to 
a. Beta 
b. Ac emitter resistance 
c. DC collector voltage 
d. AC collector resistance 

6. Compared to the ac resistance of the emitter diode, the feedback resistance of a swamped amplifier should be 
a. Small 
b. Equal 
c. Large 
d. Zero 

7. Compared to a CE stage, a swamped amplifier has an input impedance that is 
a. Smaller 
b. Equal 
c. Larger 
d. Zero 

8. To reduce the distortion ofan amplified signal, you can increase the 
a. Collector resistance 
b. Emitter feedback resistance 
c. Generator resistance 
d. Load resistance 

9. The emitter of a swamped amplifier 
a. Is grounded 
b. Has no de voltage 
c. Has an ac voltage 
d. Has no ac voltage 

10. A swamped amplifier uses 
a. Base bias 
b. Positive feedback 
c. Negative feedback 
d. A grounded emitter 

11. In a swamped amplifier, the effects of the emitter diode become 
a. Important to voltage gain 
b. Critical to input impedance 
c. Significant to the analysis 
d. Unimportant 

12. The feedback resistor 
a. Increases voltage gain 
b. Reduces distortion 
c. Decreases collector resistance 
d. Decreases input impedance 

13. The feedback resistor 
a. Stabilizes voltage gain 
b. Increases distortion 
c. Increases collector resistance 
d. Decreases input impedance 

14. The ac collector resistance of the first stage includes the 
a. Load resistance 
b. Input impedance of first stage 
c. Emitter resistance of first stage 
d. Input impedance of second stage 

15. If the emitter bypass capacitor opens, the ac output voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

16. If the collector resistoris shorted, the ac output voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

17. If the load resistance is open, the ac output voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

18. If any capacitor is open, the ac output voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

19. If the input coupling capacitor is open, the ac input voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

20. If the bypass capacitor is open, the ac input voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

21. If the output coupling capacitor is open, the ac input voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

22. If the emitter resistor isopen, the ac input voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 

23. If the collector resistoris open, the ac input voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal approximately zero 

24. If the emitter bypass capacitor is shorted, the ac input voltage will 
a. Decrease 
b. Increase 
c. Remain the same 
d. Equal zero 




Also try:

Malvino Chapter 1
Malvino Chapter 2
Malvino Chapter 3
Malvino Chapter 4
Malvino Chapter 5
Malvino Chapter 6
Malvino Chapter 7
Malvino Chapter 8
Malvino Chapter 9
Malvino Chapter 11
Malvino Chapter 12
Malvino Chapter 13
Malvino Chapter 14
Malvino Chapter 15
Malvino Chapter 16
Malvino Chapter 17
Malvino Chapter 18
Malvino Chapter 19
Malvino Chapter 20
Malvino Chapter 21
Malvino Chapter 22
Malvino Chapter 23
Malvino Chapter 24