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

Related Mcqs:

1. 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

2. 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

3. 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%

4. If the collector supply is 10V, then collector cut off voltage under d.c. conditions is _______________?

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

5. 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

6. 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

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

   A. 4
   B. 1
   C. 3
   D. More than 10

8. 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

9. 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

10. The same signal in Problem 2 is applied to an RC high-pass filter. If the reactance is zero at the input frequency, the output voltage is____________?

    A. 12.73 V peak-to-peak
    B. 18 V peak-to-peak
    C. 9 V peak-to-peak
    D. zero