Discussion
Home ‣ Electronics ‣ Diodes and Applications See What Others Are Saying!
- Question
The mimicking of an open/closed switch by a diode allows alternating current to be:
Options- A. rectified
- B. regulated
- C. controlled
- D. attenuated
- Correct Answer
- rectified
- 1. The feedback component in an op-amp integrator is a capacitor.
Options- A. True
- B. False Discuss
- 2. The opposition to ac from a capacitor is called reluctance.
Options- A. True
- B. False Discuss
- 3. A(n) ___ is sometimes constructed as a variable transformer.
Options- A. autotransformer
- B. center-tapped transformer
- C. multiple-tap transformer
- D. multiple-winding transformer Discuss
- 4. If a branch opens in a parallel circuit, the current in the remaining parallel paths will change.
Options- A. True
- B. False Discuss
- 5. A(n) _____ will decrease the time constant in an RC integrator or differentiator.
Options- A. open resistor
- B. open capacitor
- C. shorted capacitor
- D. leaky capacitor
- 6. Voltage, not current, determines the severity of an electrical shock.
Options- A. True
- B. False Discuss
- 7.
What is the voltage drop across R1 in the given circuit?
Options- A. 10 V
- B. 4.80 V
- C. 4.00 V
- D. 5.80 V Discuss
- 8. Which digital system translates coded characters into a more intelligible form?
Options- A. encoder
- B. display
- C. counter
- D. decoder Discuss
- 9. The ability of a material to maintain a magnetized state (without the presence of a magnetizing force) is called hysteresis.
Options- A. True
- B. False Discuss
- 10. When an electromagnet reaches maximum strength, it is considered to be:
Options- A. in field condition
- B. at saturation
- C. inhibited
- D. at field strength Discuss
More questions
Correct Answer: True
Correct Answer: False
Correct Answer: autotransformer
Correct Answer: True
Correct Answer: leaky capacitor
Correct Answer: False
Correct Answer: 5.80 V
Correct Answer: decoder
Correct Answer: False
Correct Answer: at saturation
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