Red Seal Electrician Practice
DC circuitsQuestion 707 of 1506

While tracing in the direction of electron flow, how is a resistor marked at the side where electrons enter?

  1. Positive
  2. Neutral
  3. Ground
  4. Negative
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Correct answer: Negative

Electrons are negative, so the side they enter is the negative side of the voltage drop.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 7.3: Re-drawing Complex Schematics

Practice dc circuits

Questions last reviewed: 18 October 2026