# Fullwave Rectifier MCQ’s

This set of Analog Electronic Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Fullwave Rectifier”.

1. DC power output of center tapped full wave rectifier is equal to ___________

(I_{m} is the peak current and R_{L} is the load resistance)

a) (2I_{m}^{2}/ᴨ^{2})R_{L}

b) (I_{m}^{2}/2 ᴨ^{2})R_{L}

c) (I_{m}^{2}/ᴨ^{2})R_{L}

d) (4I_{m}^{2}/ᴨ^{2})R_{L}

2. Ripple factor of center tapped full wave rectifier is _____________

a) 1.414

b) 1.21

c) 1.3

d) 0.48

3. DC average current of a center taped full wave rectifier is _______________

(Where I_{m} is the maximum peak current of input)

a) 2I_{m}/ᴨ

b) I_{m}/ᴨ

c) I_{m}/2ᴨ

d) 1.414I_{m}/ᴨ

4. 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

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

6. 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

7. 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

8. Efficiency of center tapped full wave rectifier is ___________

a) 50%

b) 81.2%

c) 40.6%

d) 45.3%

9. 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

10. 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

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