Converter and Rectifier MCQ - Electrician (Set-1) with Answers

Converter and Rectifier MCQ - Electrician (Set-1) with Answers

21) A three phase halfwave rectifier has an AC input of 415 V 50 Hz. The ripple frequency of DC output in pulses/sec is

Answer is:

150

22) A 3-phase full wave rectifier has an AC input of 415 V, 50 Hz. The ripple frequency of D.C. output in pulses per second is

Answer is:

300

23) You have to measure the ripple voltage of a DC power supply to confirm with that of the manufacturer's specification. What is the instrument you need for this measurement ?

Answer is:

Oscilloscope

24) Which type of filter can be used together with a full wave rectifier only ?

Answer is:

Series inductor filter

25) What is the current flowing through each diode in a full wave rectifier ?

Answer is:

Load current

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