MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A sinusoidal voltage v = 50sinωt is applied to a series RL circuit. The current in the circuit is given by I = 25sin (ωt-53⁰). Determine the average power. |
| A. | 365 |
| B. | 370 |
| C. | 375 |
| D. | 380 |
| Answer» D. 380 | |
| 2. |
A sinusoidal voltage v = 50sinωt is applied to a series RL circuit. The current in the circuit is given by I = 25sin (ωt-53⁰). Find the power factor. |
| A. | 0.4 |
| B. | 0.5 |
| C. | 0.6 |
| D. | 0.7 |
| Answer» D. 0.7 | |
| 3. |
A sinusoidal voltage v = 50sinωt is applied to a series RL circuit. The current in the circuit is given by I = 25sin (ωt-53⁰). Determine the apparent power (VA). |
| A. | 620 |
| B. | 625 |
| C. | 630 |
| D. | 635 |
| Answer» D. 635 | |
| 4. |
The average power (Pavg) is expressed as? |
| A. | Pasecθ |
| B. | Patanθ |
| C. | Pacosθ |
| D. | Pasinθ |
| Answer» D. Pasinθ | |
| 5. |
The expression of true power (Ptrue) is? |
| A. | Pasinθ |
| B. | Pacosθ |
| C. | Patanθ |
| D. | Pasecθ |
| Answer» C. Patanθ | |
| 6. |
The reactive power equation (Pr) is? |
| A. | Ieff2 (ωL)sin2(ωt+θ) |
| B. | Ieff2 (ωL)cos2(ωt+θ) |
| C. | Ieff2 (ωL)sin(ωt+θ) |
| D. | Ieff2 (ωL)cos(ωt+θ) |
| Answer» B. Ieff2 (ωL)cos2(ωt+θ) | |