Which of the following converts AC voltage into DC ?

This question was previously asked in
RPSC AEn General Knowledge & General Science 2013 Official Paper
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  1. Transformer
  2. Amplifier
  3. Rectifier
  4. Oscillator

Answer (Detailed Solution Below)

Option 3 : Rectifier
Free
ST 1: General Knowledge (History & Culture)
20 Qs. 40 Marks 20 Mins

Detailed Solution

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The correct answer is Rectifier.

Key Points

  • A rectifier is a device that converts alternating current (AC) to direct current (DC).
  • It allows current to flow in only one direction, effectively "rectifying" the AC waveform.
  • Rectifiers are commonly used in power supplies to provide stable DC voltage for electronic devices.
  • There are two main types of rectifiers: half-wave and full-wave.
  • Rectifiers play a crucial role in electronics and power management systems.

Additional Information

  • AC and DC: Alternating current (AC) is an electrical current that periodically reverses direction, while direct current (DC) flows in a constant direction.
  • Types of Rectifiers:
    • Half-Wave Rectifier: Utilizes only one half of the AC cycle, resulting in a pulsating DC output.
    • Full-Wave Rectifier: Uses both halves of the AC cycle, producing a smoother and more efficient DC output.
  • Components: Rectifiers typically use diodes, which allow current to flow in one direction, blocking reverse flow and achieving the rectification process.
  • Applications: Rectifiers are widely used in power supplies for computers, chargers, and various electronic devices to convert AC mains electricity into usable DC voltage.

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