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MCQ Practice Question

A controlled rectifier drawing a highly non-sinusoidal and phase-delayed input current can have reduced input power factor due to?

ABoth displacement and distortion effects
BOnly transformer turns ratio
COnly DC load resistance
DAntenna radiation loss

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Correct Answer: A. Both displacement and distortion effects

Explanation: Converter input power factor can be degraded by phase displacement of the fundamental current and by harmonic distortion of the input current waveform.

Reference: Standard power electronics: power factor

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