Transistors and Applications problems
- 1. Removing a bypass capacitor from a common-emitter amplifier circuit will _________ voltage gain and ________ input resistance.
Options- A. increase, decrease
- B. decrease, increase
- C. decrease, decrease
- D. increase, increase Discuss
Correct Answer: decrease, increase
- 2. A _______________ JFET amplifier provides a voltage gain of less than one.
Options- A. common-source
- B. common-channel
- C. common-drain
- D. None of the above Discuss
Correct Answer: common-drain
- 3. The gain of a BJT is called _______ and the gain of a JFET is called _______.
Options- A. beta, alpha
- B. transconductance, beta
- C. beta, transconductance
- D. transconductance, transconductance Discuss
Correct Answer: beta, transconductance
- 4. The gate-source junction of a JFET must be ________ for proper linear operation.
Options- A. forward-biased
- B. reverse-biased
- C. either forward-biased or reverse-biased
- D. neutral Discuss
Correct Answer: reverse-biased
- 5. In order to sustain oscillations in a feedback oscillator, the gain should be _________ so the product of Av × B equals_______.
Options- A. reduced, one
- B. reduced, less than one
- C. increased, more than one
- D. increased, much greater than one Discuss
Correct Answer: reduced, one
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