The value of collector load RC in a transistor amplifier is _______________the output impedance of the transistor?

Related Mcqs:

1. In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?

   A. RC + RL
   B. RC || RL
   C. RL
   D. RC

2. If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is____________________?

   A. RL + RC
   B. RC || RL
   C. RL – RC
   D. RC

3. A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ________________________?

   A. RC
   B. RC || RE
   C. RC – RE
   D. RC + RE

4. A transistor amplifier has high output impedance because ______________?

   A. Emitter is heavily doped
   B. Collector has reverse bias
   C. Collector is wider than emitter or base
   D. None of the above

5. If the power rating of a transistor is 1W and collector current is 100mA, then maximum allowable collector voltage is________________?

   A. 1V
   B. 100V
   C. 20V
   D. 10V

6. The d.c. load of a transistor amplifier is generally_______________ that of a a.c. load?

   A. The same as
   B. Less than
   C. More than
   D. None of the above

7. If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?

   A. 20 kΩ
   B. 2 kΩ
   C. 10 kΩ
   D. 5 kΩ

8. In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is _________________?

   A. 180o
   B. 270o
   C. 90o
   D. 0o

9. What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. power output of 2 watts ?

   A. 20%
   B. 80%
   C. 40%
   D. 50%

10. The ratio of output impedance of a CE amplifier is _______________?

    A. About 1
    B. Low
    C. High
    D. Moderate