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

Related Mcqs:

1. If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is_____________________?

   A. 165
   B. 165 x 104
   C. 100
   D. None of the above

2. If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?

   A. High
   B. Very high
   C. Moderate
   D. Low

3. 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

4. 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

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

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

6. If the gain versus frequency curve of a transistor amplifier is not flat, then there is distortion ?

   A. Amplitude
   B. Intermodulation
   C. Frequency
   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. An amplifier has a power gain of 100. Its db gain is ________________?

   A. 10 db
   B. 20 db
   C. 40 db
   D. None of the above

9. In a CE amplifier, voltage gain =____________________ x RAC/Rin?

   A. α
   B. (1 + α)
   C. (1+ β)
   D. β

10. In an RC coupled amplifier, the voltage gain over mid-frequency range_____________?

    A. Changes abruptly with frequency
    B. Is constant
    C. Changes uniformly with frequency
    D. None of the above