The zero signal IC is generally ______________ mA in the initial stages of a transistor amplifier?

Related Mcqs:

1. If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?

   A. 5 W
   B. 33 W
   C. 75 W
   D. 1 W

2. A 2-transistor class B power amplifier is commonly called ______________ amplifier?

   A. Dual
   B. Push-pull
   C. Symmetrical
   D. Differential

3. An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?

   A. 8 db
   B. 6 db
   C. 5 db
   D. 4 db

4. If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to___________________?

   A. 6 mA
   B. mA
   C. 3 mA
   D. 1 mA

5. A silicon transistor is biased with base resistor method. If ß=100, VBE =0.7 V, zero signal collector current IC = 1 mA and VCC = 6V , what is the value of the base resistor RB ?

   A. 105 kO
   B. 530 kO
   C. 315 kO
   D. None of the above

6. In the zero signal conditions, a transistor sees _____________ load?

   A. c.
   B. c.
   C. both d.c. and a.c.
   D. none of the above

7. 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%

8. 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

9. In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?

   A. Thin base
   B. Thin collector
   C. Wide emitter
   D. None of the above

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

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