Multistage Transistor Amplifiers MCQ

Multistage Transistor Amplifiers MCQ Questions

• 1. What does the final stage of a multistage amplifier uses?
• 2. Rc coupling is used for ............... amplification
• 3. We use ……………. transformer for impedance matching in transistor amplifiers.
• 4. What is called the lower and upper cut off frequencies?
• 5. What is the frequency response of transformer coupling?
• 6. What do we use in the initial stages of a multistage amplifier?
• 7. The voltage gain is expressed in ..........
• 8. What is the purpose of RC or transformer coupling?
• 9. A radio receiver has .................. of amplification
• 10. What is the maximum efficiency of the class - B amplifier?
• 11. In Multi-stage amplifiers, the output of first stage is coupled to the input of next stage using a coupling device.
• 12. What do you mean by Cascading?
• 13. What are Half-power frequencies?
• 14. The frequency response of transformer coupling is Poor.
• 15. In the initial stages of a multistage amplifier, we use _____.
• 16. The bandwidth of a multi stage amplifier is ____ that of a single stage amplifier.
• 17. The value of emitter capacitor CE in a multistage amplifier is about ____.
• 18. Which transformer is used for impedance matching in transistor coupled amplifier?
• 19. The number of stages that can be directly coupled is limited because changes in temperature cause thermal instability.
• 20. RC coupling is generally confined to low power applications because of ___.