# Halfwave Rectifier MCQ’s

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

1. DC power output of half 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 half wave rectifier is _________

a) 1.414

b) 1.21

c) 1.3

d) 0.48

3. DC average current of a half wave rectifier output 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 half wave rectifier will be equal to __________

a) 100Hz

b) 50Hz

c) 25Hz

d) 500Hz

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

6. In a half wave rectifier, the input sine wave is 200sin100 ᴨt Volts. The average output voltage is __________

a) 57.456V

b) 60.548V

c) 75.235V

d) 63.661V

7. Transformer utilization factor of a half wave rectifier is equal to __________

a) 0.267

b) 0.287

c) 0.297

d) 0.256

8. Efficiency of half wave rectifier is __________

a) 50%

b) 81.2%

c) 40.6%

d) 45.3%

9. In a half wave rectifier, the input sine wave is 200sin200 ᴨt 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

10. In a half wave rectifier, the input sine wave is 250sin100 ᴨt Volts. The output ripple frequency of rectifier will be __________

a) 100Hz

b) 200Hz

c) 50Hz

d) 25Hz

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