Discussion
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- Question
What does RT equal in the given circuit?
Options- A. 90 Ω
- B. 180 Ω
- C. 200 Ω
- D. 1.8 kΩ
- Correct Answer
- 90 Ω
- 1. The ___ of a circuit describes the ability of that circuit to respond to certain frequencies while rejecting all others.
Options- A. bandwidth
- B. selectivity
- C. sensitivity
- D. quality factor Discuss
- 2. Capacitor value markings are usually:
Options- A. alphanumeric
- B. color dabs
- C. standard
- D. white print Discuss
- 3. Test equipment selection enables the technician to both generate signals and:
Options- A. change circuit conditions
- B. inject signals
- C. sense circuit conditions
- D. change signal frequencies Discuss
- 4. The phase difference between sine waves of different frequencies is:
Options- A. equal to their frequency differences
- B. the difference in their fixed time displacement
- C. the same throughout time
- D. constantly changing Discuss
- 5. Erratic or unexplained digital circuit activity is often due to _________.
Options- A. a glitch
- B. a random pulse
- C. clock frequency changes
- D. a change in slew rate Discuss
- 6. An open collector output can ________ current, but it cannot ___________________.
Options- A. sink, source current
- B. source, sink current
- C. sink, source voltage
- D. source, sink voltage Discuss
- 7. The number of inputs that a gate output can drive without possible logic errors is the _______.
Options- A. propagation delay
- B. noise margin
- C. speed-power product
- D. fanout Discuss
- 8.
What value of input resistance is needed in the given circuit to produce the given output voltage?
Options- A. 50 Ω
- B. 4 kΩ
- C. 4.08 kΩ
- D. 5 kΩ Discuss
- 9. The Q point on a load line may be used to determine:
Options- A. VC
- B. VCC
- C. VB
- D. IC Discuss
- 10. Why is ac current transfer more effective than dc current transfer over long distances?
Options- A. due to the height of power lines
- B. due to the use of ac generators
- C. due to step-up and step-down transformers reducing I2R losses
- D. due to very high voltages Discuss
More questions
Correct Answer: selectivity
Correct Answer: alphanumeric
Correct Answer: sense circuit conditions
Correct Answer: the difference in their fixed time displacement
Correct Answer: clock frequency changes
Correct Answer: sink, source current
Correct Answer: fanout
Correct Answer: 4 kΩ
Correct Answer: VB
Correct Answer: due to step-up and step-down transformers reducing I2R losses
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