Multistage Transistor Amplifiers MCQ

Multistage Transistor Amplifiers MCQ

  • Admin
  • 14th Feb, 2023

Take Multistage Transistor Amplifiers MCQ Test & Online Quiz to test your Knowledge

Below is the Multistage Transistor Amplifiers MCQ test that checks your basic knowledge of Multistage Transistor Amplifiers. This Multistage Transistor Amplifiers MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Apart from this, you can also download Multistage Transistor MCQ Pdf completly free.

Multistage Transistor Amplifiers MCQ Test

1) What does the final stage of a multistage amplifier uses?

  • A. RC coupling
  • B.Direct coupling
  • C.Impedance coupling
  • D.Transformer coupling

2) Rc coupling is used for ............... amplification

  • A. Power
  • B.Current
  • C.Voltage
  • D.None of the above

3) We use ……………. transformer for impedance matching in transistor amplifiers.

  • A. Step up
  • B.Step down
  • C.Same turn ratio
  • D.None of the above

4) What is called the lower and upper cut off frequencies?

  • A. Sideband
  • B.Resonant
  • C.Half-power
  • D.None of the above

5) What is the frequency response of transformer coupling?

  • A. Poor
  • B.Good
  • C.Very good
  • D.Excellent

6) What do we use in the initial stages of a multistage amplifier?

  • A. RC coupling
  • B.Direct coupling
  • C.Transformer coupling
  • D.None of the above

7) The voltage gain is expressed in ..........

  • A. Db
  • B.Volts
  • C.Numbers
  • D.None of the above

8) What is the purpose of RC or transformer coupling?

  • A. Block a.c.
  • B.Increase thermal stability
  • C.Separate bias of one stage from another
  • D.None of the above

9) A radio receiver has .................. of amplification

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

10) What is the maximum efficiency of the class - B amplifier?

  • A. 35%
  • B.50%
  • C.78.5%
  • D.None of the above

11) In Multi-stage amplifiers, the output of first stage is coupled to the input of next stage using a coupling device.

  • A. True
  • B.False

12) What do you mean by Cascading?

  • A. process of joining two amplifier stages using a coupling device
  • B.process of extracting two amplifier stages using a coupling device
  • C.Both A and B
  • D.None of the above

13) What are Half-power frequencies?

  • A. Sideband
  • B.Resonant
  • C.The lower and upper cut off frequencies
  • D.Half-resonant

14) The frequency response of transformer coupling is Poor.

  • A. True
  • B.False

15) In the initial stages of a multistage amplifier, we use _____.

  • A. RC coupling
  • B.Transformer coupling
  • C.Direct coupling
  • D.None of the above

16) The bandwidth of a multi stage amplifier is ____ that of a single stage amplifier.

  • A. less than
  • B.more than
  • C.equal
  • D.None of the above

17) The value of emitter capacitor CE in a multistage amplifier is about ____.

  • A. 1 µF
  • B.100 pF
  • C.0.01 µF
  • D.50 µF

18) Which transformer is used for impedance matching in transistor coupled amplifier?

  • A. step-up
  • B.step-down
  • C.same turn ratio
  • D.different turn ratio

19) The number of stages that can be directly coupled is limited because changes in temperature cause thermal instability.

  • A. True
  • B.False

20) RC coupling is generally confined to low power applications because of ___.

  • A. Large value of coupling capacitor
  • B.Low efficiency
  • C.Large number of components
  • D.None of the above

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