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Вопрос 274

Which of the following components are used in a power supply filter network?

  1. Diodes
  2. Transformers and transducers
  3. Capacitors and inductorsПравильный ответ
  4. All these choices are correct

Объяснение

Filtering works by storing energy between rectifier pulses: capacitors oppose changes in voltage and inductors oppose changes in current, and together they smooth the pulsating rectifier output. Diodes do the rectifying and take no part in the smoothing.

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Вопрос 274: Which of the following components are used in a power… · FCC General Class (Element 3) · Questena