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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 | |