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_HALF_WAVE_RECTIFIER,_THE_INPUT_SINE_WAVE_IS_250SIN100_¬¨‚Àˬ¨‚Ä¢¬¨√ÜT_VOLTS._THE_OUTPUT_RIPPLE_FREQUENCY_OF_RECTIFIER_WILL_BE___________?$# |
| A. | 100Hz |
| B. | 200Hz |
| C. | 50Hz |
| D. | 25Hz |
| Answer» D. 25Hz | |
| 2. |
In a half wave rectifier, the input sine wave is 200sin200 ·¥®t Volts. If load resistance is of 1k then the average DC power output of half wave rectifier is _________?# |
| A. | 3.25W |
| B. | 4.05W |
| C. | 5.02W |
| D. | 6.25W |
| Answer» C. 5.02W | |
| 3. |
In a half wave rectifier, the input sine wave is 200sin100 ·¥®t Volts. The average output voltage is __________$ |
| A. | 57.456V |
| B. | 60.548V |
| C. | 75.235V |
| D. | 63.661V |
| Answer» E. | |
| 4. |
Efficiency of half wave rectifier is __________ |
| A. | 50% |
| B. | 81.2% |
| C. | 40.6% |
| D. | 45.3% |
| Answer» D. 45.3% | |
| 5. |
If peak voltage on a half wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be __________ |
| A. | 3.6V |
| B. | 4.3V |
| C. | 5V |
| D. | 5.7V |
| Answer» D. 5.7V | |
| 6. |
Transformer utilization factor of a half wave rectifier is equal to __________ |
| A. | 0.267 |
| B. | 0.287 |
| C. | 0.297 |
| D. | 0.256 |
| Answer» C. 0.297 | |
| 7. |
If input frequency is 50Hz then ripple frequency of half wave rectifier will be equal to __________ |
| A. | 100Hz |
| B. | 50Hz |
| C. | 25Hz |
| D. | 500Hz |
| Answer» C. 25Hz | |
| 8. |
Ripple factor of half wave rectifier is _________ |
| A. | 1.414 |
| B. | 1.21 |
| C. | 1.3 |
| D. | 0.48 |
| Answer» C. 1.3 | |
| 9. |
DC power output of half wave rectifier is equal to ____________ |
| A. | |
| B. | (2I<sub>m</sub><sup>2</sup>/ ·¥®<sup>2</sup>)R<sub>L</sub> |
| C. | (I<sub>m</sub><sup>2</sup>/2 ·¥®<sup>2</sup>)R<sub>L</sub> |
| D. | (I<sub>m</sub><sup>2</sup>/ ·¥®<sup>2</sup>)R<sub>L</sub> |
| Answer» D. (I<sub>m</sub><sup>2</sup>/ ¬¨‚à묨‚Ä¢¬¨√Ü<sup>2</sup>)R<sub>L</sub> | |
| 10. |
DC average current of a half wave rectifier output is ___________ |
| A. | |
| B. | 2I<sub>m</sub>/·¥® |
| C. | I<sub>m</sub>/·¥® |
| D. | I<sub>m</sub>/2·¥® |
| Answer» C. I<sub>m</sub>/¬¨‚à묨‚Ä¢¬¨√Ü | |