Discussion
Home ‣ Electronics ‣ Series Circuits See What Others Are Saying!
- Question
If a 220 Ω, a 100 Ω, and a 180 Ω resistor are connected in series across a 12 V source, the circuit current equals ___.
Options- A. 41.67 A
- B. 120 mA
- C. 500 A
- D. 24 mA
- Correct Answer
- 24 mA
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6.
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
- 7. The Q point on a load line may be used to determine:
Options- A. VC
- B. VCC
- C. VB
- D. IC Discuss
- 8. 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
- 9. A(n) ________ amplifier is used if the application requires a high sensitivity to low-level signals and protection from high-voltage associated circuits.
Options- A. basic instrumentation
- B. operational transconductance
- C. log/antilog amplifier
- D. isolation Discuss
- 10. Integrated-injection logic offers high component density and is easier to fabricate than TTL.
Options- A. True
- B. False Discuss
More questions
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
Correct Answer: isolation
Correct Answer: True
Comments
There are no comments.More in Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.