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 bridge 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. |
Number of diodes used in a full wave bridge rectifier is ________ |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
| 3. |
In an bridge full wave rectifier, the input sine wave is 40sin100 ᴨt. The average output voltage is ________ |
| A. | 22.73V |
| B. | 16.93V |
| C. | 25.47V |
| D. | 33.23V |
| Answer» D. 33.23V | |
| 4. |
Efficiency of bridge full wave rectifier is _________ |
| A. | 81.2% |
| B. | 50% |
| C. | 40.6% |
| D. | 45.3% |
| Answer» B. 50% | |
| 5. |
If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be _________ |
| A. | 4.3V |
| B. | 5.7V |
| C. | 10V |
| D. | 5V |
| Answer» E. | |
| 6. |
Transformer utilization factor of a bridge full wave rectifier is equal to _________ |
| A. | 0.62 |
| B. | 0.69 |
| C. | 0.81 |
| D. | 0.43 |
| Answer» D. 0.43 | |
| 7. |
If input frequency is 50Hz then ripple frequency of bridge full wave rectifier will be equal to _________ |
| A. | 200Hz |
| B. | 50Hz |
| C. | 45Hz |
| D. | 100Hz |
| Answer» E. | |
| 8. |
Ripple factor of bridge full wave rectifier is _________ |
| A. | 1.414 |
| B. | 1.212 |
| C. | 0.482 |
| D. | 1.321 |
| Answer» D. 1.321 | |
| 9. |
DC power output of bridge full wave rectifier is equal to _________(Im is the peak current and RL is the load resistance) |
| A. | (2Im2/ ᴨ2)RL |
| B. | (4Im2/ ᴨ2)RL |
| C. | (Im2/ ᴨ2)RL |
| D. | (Im2/2 ᴨ2)RL |
| E. | (2Im2/ ᴨ2)RLb) (4Im2/ ᴨ2)RLc) (Im2/ ᴨ2)RLd) (Im2/2 ᴨ2)RL |
| Answer» C. (Im2/ ᴨ2)RL | |
| 10. |
DC average current of a bridge 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 | |