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- Question
What causes the depletion layer?
Options- A. Doping
- B. Recombination
- C. Barrier potential
- D. Ions
- E. None of the above
- Correct Answer
- Barrier potential
- 1. The saturation point is approximately the same as
Options- A. cutoff point
- B. lower end of the load line
- C. upper end of the load line
- D. infinity
- E. None of the above Discuss
- 2. Which one of the following statements regarding ac circuits is correct?
Options- A. Current and voltages are in phase through a resistor
- B. Current leads the voltage through a resistor
- C. Current lags the voltage through a resistor
- D. All of the above
- E. None of the above Discuss
- 3. What is a free electron?
Options- A. An electron that has been freed from its parent atom
- B. An electron that costs nothing
- C. An electron that has no electrical charge
- D. An electron that has twice the amount of charge of a normal electron
- E. None of the above Discuss
- 4. What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it?
Options- A. 3 W
- B. 6 W
- C. 64 W
- D. 122 W
- E. None of the above Discuss
- 5. When operating above its resonant frequency, a series RLC circuit has the characteristics of a:
Options- A. series RL circuit
- B. series RC circuit
- C. series RLC circuit operated below its resonant frequency
- D. purely resistive circuit
- E. None of the above Discuss
- 6. When applying a square waveform to a capacitor, the circuit tends to:
Options- A. peak the voltage and round off the current waveforms
- B. peak the current and round off the voltage waveforms
- C. round off both the voltage and current waveforms
- D. peak both the voltage and current waveforms
- E. None of the above Discuss
- 7. What is the algebraic sum of this series of values:+2, -3, -6,+4?
Options- A. -6
- B. -3
- C. 0
- D. +2
- E. None of the above Discuss
- 8. Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating?
Options- A. R = E2/P
- B. P = PR
- C. P = E2/R
- D. I = P/E
- E. None of the above Discuss
- 9. What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?
Options- A. 220 ohm
- B. 150 ohm
- C. 445 ohm
- D. 690 ohm
- E. None of the above Discuss
- 10. Which one of the following principles best describes the basic operation of a generator?
Options- A. Like magnetic poles repel; unlike poles attract
- B. Current is induced in a conductor that is moving through a magnetic field
- C. Like magnetic poles attract; unlike poles repel
- D. Current flowing through a conductor generates a magnetic field
- E. None of the above Discuss
Electronic Principles problems
Search Results
Correct Answer: upper end of the load line
Correct Answer: Current and voltages are in phase through a resistor
Correct Answer: An electron that has been freed from its parent atom
Correct Answer: 6 W
Correct Answer: series RL circuit
Correct Answer: peak the current and round off the voltage waveforms
Correct Answer: -3
Correct Answer: R = E2/P
Correct Answer: 150 ohm
Correct Answer: Current is induced in a conductor that is moving through a magnetic field
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