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- Question
The input impedance is ______ for the amplifier in the given circuit. The data sheet values are Zin = 3 MΩ, Zout = 80 Ω, and Aol = 250,000.
Options- A. 4.7 kΩ
- B. 22.7 kΩ
- C. 3 MΩ
- D. 68.6 kΩ
- Correct Answer
- 4.7 kΩ
- 1. Generally, increasing the resistance in a circuit will decrease the current.
Options- A. True
- B. False Discuss
- 2. A capacitor takes ___ time constants to charge to 95% of its capacity.
Options- A. 2
- B. 3
- C. 4
- D. 5 Discuss
- 3. The term "integrator" is derived from a mathematical function in trigonometry.
Options- A. True
- B. False Discuss
- 4. Variable resistors have problems with the wiper making contact.
Options- A. True
- B. False Discuss
- 5. A protoboard is used to make experimental circuits.
Options- A. True
- B. False Discuss
- 6. A rheostat is not a type of variable resistor.
Options- A. True
- B. False Discuss
- 7. Transconductance is also called mutual conductance.
Options- A. True
- B. False Discuss
- 8. A bipolar transistor has three leads: the base, collector, and emitter.
Options- A. True
- B. False Discuss
- 9. Which type of JFET bias requires a negative supply voltage?
Options- A. feedback
- B. source
- C. gate
- D. voltage divider Discuss
- 10. A ______ is not a multivibrator.
Options- A. one-shot
- B. flip-flop
- C. VCO
- D. bistable Discuss
More questions
Correct Answer: True
Correct Answer: 3
Correct Answer: False
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: True
Correct Answer: True
Correct Answer: gate
Correct Answer: one-shot
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