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Question 20261
JEE Physics · Hard

Semiconductors: Rectifier — Ripple Factor MCQ

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Rectifier — Ripple FactorHardQuestion 20261

Question

Ripple factor (ratio of AC to DC component) is smaller for:
  1. A
    Half-wave rectifier
  2. B
    Full-wave rectifier
    Correct
  3. C
    Both are equal
  4. D
    Depends only on load

Correct answer

Full-wave rectifier

Explanation

Ripple factor = rms of AC component / DC component. Half-wave: r = 1.21. Full-wave: r = 0.482. Full-wave has lower ripple because it rectifies both half cycles → pulsation is at 2× supply frequency → easier to filter.

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