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- Question
A 15 Ω resistor, a 220 µH coil, and a 60 pF capacitor are in series across an ac source. What is the bandwidth of the circuit?
Options- A. 138 MHz
- B. 10,866 Hz
- C. 1,907 Hz
- D. 138 kHz
- Correct Answer
- 10,866 Hz
- 1. An ideal voltage source has zero internal resistance.
Options- A. True
- B. False Discuss
- 2. In a series RLC circuit that is operating above the resonant frequency, the current
Options- A. lags the applied voltage
- B. leads the applied voltage
- C. is in phase with the applied voltage
- D. is zero Discuss
- 3. A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is
Options- A. 564
- B. 0.564
- C. 6.76
- D. 55.7 Discuss
- 4. A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of
Options- A. 25 kHz
- B. 12 kHz
- C. 18 kHz
- D. 1.3 MHz Discuss
- 5. What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA?
Options- A. 8.2 kΩ
- B. 820 Ω
- C. 8.2 Ω
- D. 82 Ω Discuss
- 6. If the peak of a sine wave is 13 V, the peak-to-peak value is
Options- A. 6.5 V
- B. 13 V
- C. 26 V
- D. none of the above Discuss
- 7. A galvanometer is a meter that measures small amounts of voltage.
Options- A. True
- B. False Discuss
- 8. An imaginary number is one that exists only in the mind of the mathematician.
Options- A. True
- B. False Discuss
- 9. The voltage at one point in a circuit is always measured relative to another point.
Options- A. True
- B. False Discuss
- 10. If you used 600 W of power for 60 h, you have used
Options- A. 36 kWh
- B. 3.6 kWh
- C. 10 kWh
- D. 1 kWh Discuss
More questions
Correct Answer: True
Correct Answer: lags the applied voltage
Correct Answer: 0.564
Correct Answer: 12 kHz
Correct Answer: 82 Ω
Correct Answer: 26 V
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: 36 kWh
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