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- Question
Eight-tenths coulomb passes a point in 4 s. The current in amperes is
Options- A. 1.6 A
- B. 16 A
- C. 2 A
- D. 0.2 A
- Correct Answer
- 0.2 A
- 1. In order to get maximum power transfer from a capacitive source, the load must
Options- A. have a capacitive reactance equal to circuit resistance
- B. have an impedance that is the complex conjugate of the source impedance
- C. be as capacitive as it is inductive
- D. none of the above Discuss
- 2. Positive numbers can be represented by points to the right of the origin on the horizontal axis of a graph.
Options- A. True
- B. False Discuss
- 3. A series circuit consists of three resistors with values of 120 Ω, 270 Ω, and 330 Ω. The total resistance is
Options- A. less than 120 Ω
- B. the average of the values
- C. 720 Ω
- D. 120 Ω Discuss
- 4. The dielectric constant is the ability of a material to establish an electric field.
Options- A. True
- B. False Discuss
- 5. Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is
Options- A. 138 Ω
- B. 1,389 Ω
- C. 5,700 Ω
- D. 880 Ω Discuss
- 6. A series resonant circuit is commonly called a tank circuit.
Options- A. True
- B. False Discuss
- 7. A 47 Ω resistor is in series with an inductive reactance of 120 Ω across an ac source. The impedance, expressed in polar form, is
Options- A. 47∠68.6° Ω
- B. 120∠68.6° Ω
- C. 129∠31.4° Ω
- D. 129∠68.6° Ω Discuss
- 8. When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to
Options- A. 0 V
- B. 12 V
- C. 6.3 V
- D. 7.56 V Discuss
- 9. An integrator consists of a 3.3 kΩ resistor and a 2 µF capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?
Options- A. 10.3 V
- B. 30 V
- C. 12.09 V
- D. 17.91 V Discuss
- 10. Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is
Options- A. 24 V
- B. 12 V
- C. 0 V
- D. 6 V Discuss
More questions
Correct Answer: have an impedance that is the complex conjugate of the source impedance
Correct Answer: True
Correct Answer: 720 Ω
Correct Answer: True
Correct Answer: 1,389 Ω
Correct Answer: False
Correct Answer: 129∠68.6° Ω
Correct Answer: 7.56 V
Correct Answer: 17.91 V
Correct Answer: 24 V
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