MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a center tapped full wave rectifier, the input sine wave is 250sin100 ᴨt. The output ripple frequency of rectifier will be __________ |
| A. | 50Hz |
| B. | 200Hz |
| C. | 100Hz |
| D. | 25Hz |
| Answer» D. 25Hz | |
| 2. |
In a center tapped full wave rectifier, the input sine wave is 200sin50 ᴨt. If load resistance is of 1k then average DC power output of half wave rectifier is __________ |
| A. | 12.56W |
| B. | 16.20W |
| C. | 4.02W |
| D. | 8.04W |
| Answer» C. 4.02W | |
| 3. |
In a center tapped full wave rectifier, the input sine wave is 20sin500 ᴨt. The average output voltage is __________ |
| A. | 12.73V |
| B. | 6.93V |
| C. | 11.62V |
| D. | 3.23V |
| Answer» B. 6.93V | |
| 4. |
Efficiency of center tapped full wave rectifier is ___________ |
| A. | 50% |
| B. | 81.2% |
| C. | 40.6% |
| D. | 45.3% |
| Answer» C. 40.6% | |
| 5. |
If peak voltage on a center tapped full wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be ___________ |
| A. | 4.3 V |
| B. | 10 V |
| C. | 5.7 V |
| D. | 9.3 V |
| Answer» C. 5.7 V | |
| 6. |
Transformer utilization factor of a center tapped full wave rectifier is equal to ___________ |
| A. | 0.623 |
| B. | 0.678 |
| C. | 0.693 |
| D. | 0.625 |
| Answer» D. 0.625 | |
| 7. |
If input frequency is 50Hz then ripple frequency of center tapped full wave rectifier will be equal to _____________ |
| A. | 100Hz |
| B. | 50Hz |
| C. | 25Hz |
| D. | 500Hz |
| Answer» B. 50Hz | |
| 8. |
Ripple factor of center tapped full wave rectifier is _____________ |
| A. | 1.414 |
| B. | 1.21 |
| C. | 1.3 |
| D. | 0.48 |
| Answer» E. | |
| 9. |
DC power output of center tapped full wave rectifier is equal to ___________(Im is the peak current and RL is the load resistance) |
| A. | (2Im2/ᴨ2)RL |
| B. | (Im2/2 ᴨ2)RL |
| C. | (Im2/ᴨ2)RL |
| D. | (4Im2/ᴨ2)RL |
| E. | (2Im2/ᴨ2)RLb) (Im2/2 ᴨ2)RLc) (Im2/ᴨ2)RLd) (4Im2/ᴨ2)RL |
| Answer» E. (2Im2/ᴨ2)RLb) (Im2/2 ᴨ2)RLc) (Im2/ᴨ2)RLd) (4Im2/ᴨ2)RL | |
| 10. |
DC average current of a center taped full wave rectifier is _______________(Where Im is the maximum peak current of input) |
| A. | 2Im/ᴨ |
| B. | Im/ᴨ |
| C. | Im/2ᴨ |
| D. | 1.414Im/ᴨ |
| Answer» B. Im/ᴨ | |