# 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 ____________
(Im is the peak current and RL is the load resistance)
a) (2Im2/ ᴨ2)RL
b) (Im2/2 ᴨ2)RL
c) (Im2/ ᴨ2)RL
d) (4Im2/ ᴨ2)RL

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 Im is the maximum peak current of input)
a) 2Im/ᴨ
b) Im/ᴨ
c) Im/2ᴨ
d) 1.414Im/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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