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Home ‣ Electrical Engineering ‣ Circuit Theorems in AC Analysis See What Others Are Saying!
- Question
Thevenin's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent current source in parallel with an equivalent impedance.
Options- A. True
- B. False
- Correct Answer
- False
- 1. Norton's theorem gives
Options- A. an equivalent current source in parallel with an equivalent impedance
- B. an equivalent current source in series with an equivalent impedance
- C. an equivalent voltage source in parallel with an equivalent impedance
- D. an equivalent voltage source in series with an equivalent impedance Discuss
- 2. The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.
Options- A. True
- B. False Discuss
- 3. A constant load power means a uniform conversion of
Options- A. mechanical to electrical energy
- B. electrical to mechanical energy
- C. current to voltage
- D. voltage to current Discuss
- 4. The formula to find I when the values of V and R are known is
Options- A. I = VR
- B. I = R/V
- C. V = IR
- D. I = V/R Discuss
- 5. If the RC time constant of an integrator is increased, as the time constant is increased
Options- A. the capacitor charges more during a pulse and discharges less between pulses
- B. the capacitor charges less during a pulse and discharges more between pulses
- C. the capacitor charges more during a pulse and discharges more between pulses
- D. the capacitor charges less during a pulse and discharges less between pulses Discuss
- 6. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is
Options- A. 20,000 Ω
- B. 100,000 Ω
- C. 200,000 Ω
- D. 1,000,000 Ω Discuss
- 7. Three lights are connected in parallel across a 120 volt source. If one light burns out,
Options- A. the remaining two will glow dimmer
- B. the remaining two will glow brighter
- C. the remaining two will not light
- D. the remaining two will glow with the same brightness as before Discuss
- 8. At series resonance, the inductive reactance and capacitive reactance are never equal.
Options- A. True
- B. False Discuss
- 9. Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 Ω?
Options- A. 300 µs
- B. 600 µs
- C. 900 µs
- D. 1.5 ms Discuss
- 10. When the frequency of the voltage applied to a series RL circuit is increased, the phase angle
Options- A. decreases
- B. increases
- C. does not change
- D. cannot be determined without values Discuss
More questions
Correct Answer: an equivalent current source in parallel with an equivalent impedance
Correct Answer: False
Correct Answer: electrical to mechanical energy
Correct Answer: I = V/R
Correct Answer: the capacitor charges less during a pulse and discharges less between pulses
Correct Answer: 100,000 Ω
Correct Answer: the remaining two will glow with the same brightness as before
Correct Answer: False
Correct Answer: 1.5 ms
Correct Answer: increases
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