DC circuitsQuestion 578 of 1506

What is the general name for a device that does useful work with electric power?

  1. A source
  2. A load
  3. A switch
  4. A conductor
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Correct answer: A load

A resistor symbol may stand for a load on a schematic.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 2.5: Resistors

Practice dc circuits

Questions last reviewed: 18 October 2026