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- Question
With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be:
Options- A. open
- B. infinite
- C. low resistance
- D. high resistance
- Correct Answer
- low resistance
- 1. The input/output relationship of the common-collector and common-base amplifiers is:
Options- A. 270 degrees
- B. 180 degrees
- C. 90 degrees
- D. 0 degrees Discuss
- 2. Total emitter current is:
Options- A. IE ? IC
- B. IC + IE
- C. IB + IC
- D. IB ? IC Discuss
- 3. When transistors are used in digital circuits they usually operate in the:
Options- A. active region
- B. breakdown region
- C. saturation and cutoff regions
- D. linear region Discuss
- 4. Which is beta's current ratio?
Options- A. IC/IB
- B. IC/IE
- C. IB/IE
- D. IE/IB Discuss
- 5. In a C-E configuration, an emitter resistor is used for:
Options- A. stabilization
- B. ac signal bypass
- C. collector bias
- D. higher gain Discuss
- 6. Three different Q points are shown on a dc load line. The upper Q point represents the:
Options- A. minimum current gain
- B. intermediate current gain
- C. maximum current gain
- D. cutoff point Discuss
- 7. A current ratio of IC/IE is usually less than one and is called:
Options- A. beta
- B. theta
- C. alpha
- D. omega Discuss
- 8. Most of the electrons in the base of an NPN transistor flow:
Options- A. out of the base lead
- B. into the collector
- C. into the emitter
- D. into the base supply Discuss
- 9. The symbol hfe is the same as:
Options- A.
- B.
- C. hi-fi
- D.
Discuss
- 10. The C-B configuration is used to provide which type of gain?
Options- A. voltage
- B. current
- C. resistance
- D. power Discuss
Bipolar Junction Transistors (BJT) problems
Search Results
Correct Answer: 0 degrees
Correct Answer: IB + IC
Correct Answer: saturation and cutoff regions
Correct Answer: IC/IB
Correct Answer: stabilization
Correct Answer: maximum current gain
Correct Answer: alpha
Correct Answer: into the collector
Correct Answer:
Correct Answer: voltage
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