What does a rectifier do?

It changes AC to DC.

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  1. It changes DC to AC
  2. It measures resistance
  3. It changes AC to DC ✔

Why: A rectifier converts alternating current into direct current.

Huh, didn't know that: A rectifier converts alternating current into direct current.

The dad joke
That rectifier sets things straight.
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References

Answer: It changes AC to DC. A rectifier converts alternating current into direct current.

  1. Scouting America: Electricity www.scouting.org/merit-badges/electricity
    Equipment and their use: circuit, conductor, Ground Fault Circuit Interrupter (GFCI), insulator, inverter, rectifier, rheostat, substation, surge protection, solar panel, transformer, transmission and distribution systems, and wind turbine.
    Checked 2026-11-07.

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