DC circuitsQuestion 532 of 1506

Which particles in an atom are easiest to knock loose?

  1. Electrons
  2. Protons
  3. Neutrons
  4. The whole nucleus
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Correct answer: Electrons

Less energy is needed to move electrons than particles in the nucleus.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 1.1: Static Electricity

Practice dc circuits

Questions last reviewed: 18 October 2026