Discussion
Home ‣ Electrical Engineering ‣ Series-Parallel Circuits See What Others Are Saying!
- Question
The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of
Options- A. 470 Ω or 1.2 kΩ
- B. 3 kΩ
- C. 470 Ω
- D. 1.2 kΩ
- Correct Answer
- 470 Ω
- 1. In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is
Options- A. one-fourth the primary current
- B. four times the primary current
- C. equal to the primary current
- D. one-fourth the primary current and equal to the primary current Discuss
- 2. To produce an 800 Hz sine wave, a four-pole generator must be operated at
Options- A. 200 rps
- B. 400 rps
- C. 800 rps
- D. 1,600 rps Discuss
- 3. When a fourth resistor is connected in series with three resistors, the total resistance
Options- A. increases by one-fourth
- B. increases
- C. decreases
- D. remains the same Discuss
- 4. A 68 Ω resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is
Options- A. 132 mW
- B. 13.2 mW
- C. 22.6 mW
- D. 226 mW Discuss
- 5. A 470 Ω RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 Ω. What is the output voltage across the load?
Options- A. 120 V
- B. 0 V
- C. 117 V
- D. 12 V Discuss
- 6. Referring to Problem 18, the circuit impedance is
Options- A. 458 ∠?76° Ω
- B. 4.58 ∠?76° Ω
- C. 458∠76° Ω
- D. 4.58∠76° Ω Discuss
- 7. Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is
Options- A. 25 mA
- B. 100 mA
- C. 6.25 mA
- D. 200 mA Discuss
- 8. An inductance of 0.08 µH is larger than
Options- A. 0.0000008 H
- B. 0.000000008 H
- C. 0.000008 H
- D. 0.00008 mH Discuss
- 9. If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth
Options- A. disappears
- B. becomes sharper
- C. increases
- D. decreases Discuss
- 10. A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is
Options- A. 1.7 V
- B. 0.85 V
- C. 1 V
- D. 0 V Discuss
More questions
Correct Answer: four times the primary current
Correct Answer: 400 rps
Correct Answer: increases
Correct Answer: 132 mW
Correct Answer: 117 V
Correct Answer: 458∠76° Ω
Correct Answer: 6.25 mA
Correct Answer: 0.000000008 H
Correct Answer: decreases
Correct Answer: 1.7 V
Comments
There are no comments.More in Electrical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.