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- Question
If an input signal ranges from 20?40 µA (microamps), with an output signal ranging from .5?1.5 mA (milliamps), what is the ac beta?
Options- A. 0.05
- B. 20
- C. 50
- D. 500
- Correct Answer
- 50
- 1. Which is the higher gain provided by a C-E configuration?
Options- A. voltage
- B. current
- C. resistance
- D. power Discuss
- 2. A collector characteristic curve is a graph showing:
Options- A. emitter current (IE) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant
- B. collector current (IC) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant
- C. collector current (IC) versus collector-emitter voltage (VC) with (VBB) base bias voltage held constant
- D. collector current (IC) versus collector-emitter voltage (VCC) with (VBB) base bias voltage held constant Discuss
- 3. For a C-C configuration to operate properly, the collector-base junction should be reverse biased, while forward bias should be applied to which junction?
Options- A. collector-emitter
- B. base-emitter
- C. collector-base
- D. cathode-anode Discuss
- 4. The Q point on a load line may be used to determine:
Options- A. VC
- B. VCC
- C. VB
- D. IC Discuss
- 5. With low-power transistor packages, the base terminal is usually the:
Options- A. tab end
- B. middle
- C. right end
- D. stud mount Discuss
- 6. With a PNP circuit, the most positive voltage is probably:
Options- A. ground
- B. VC
- C. VBE
- D. VCC Discuss
- 7. Once a DIAC is conducting, the only way to turn it off is with:
Options- A. a positive gate voltage
- B. a negative gate voltage
- C. low-current dropout
- D. breakover Discuss
- 8. What does a hall effect sensor sense?
Options- A. temperature
- B. moisture
- C. magnetic fields
- D. pressure Discuss
- 9. The only way to close an SCR is with:
Options- A. a trigger input applied to the gate
- B. forward breakover voltage
- C. low-current dropout
- D. valley voltage Discuss
- 10. What type of application would use a photovoltaic cell?
Options- A. an automobile horn
- B. a TI 92 calculator
- C. a magnetic field detector
- D. a remote power source Discuss
Bipolar Junction Transistors (BJT) problems
Search Results
Correct Answer: power
Correct Answer: collector current (IC) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant
Correct Answer: collector-emitter
Correct Answer: VB
Correct Answer: middle
Correct Answer: ground
Correct Answer: low-current dropout
Correct Answer: magnetic fields
Correct Answer: forward breakover voltage
Correct Answer: a remote power source
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