A current amplification of 2000 is a gain of_________________?

Related Mcqs:

1. A radio receiver has____________of amplification?

   A. One stage
   B. Two stages
   C. Three stages
   D. More than one stages

2. For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor?

   A. Not fall below 1 V
   B. Be zero
   C. Be 0.2 V
   D. None of the above

3. For proper amplification by a transistor circuit, the operating point should be located at the_____________ of the d.c. load line?

   A. The end point
   B. Middle
   C. The maximum current point
   D. None of the above

4. For faithful amplification by a transistor circuit, the value of VBE should_____________for a silicon transistor?

   A. Be zero
   B. Be 0.01 V
   C. Not fall below 0.7 V
   D. Be between 0 V and 0.1 V

5. For germanium transistor amplifier, VCE should_______________for faithful amplification?

   A. Be zero
   B. Be 0.2 V
   C. Not fall below 0.7 V
   D. None of the above

6. 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

7. 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

8. 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

9. The total gain of a multistage amplifier is less than the product of the gains of individual stages due to____________?

   A. Power loss in the coupling device
   B. Loading effect of the next stage
   C. The use of many transistors
   The use of many capacitors

10. If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is____________?

    A. 600 db
    B. 24 db
    C. 14 db
    D. 27 db