Red Seal Electrician Practice
DC circuitsQuestion 699 of 1506

Which rule applies to a parallel circuit?

  1. Resistances add to give the total
  2. Voltage drops add to the total voltage
  3. All components have the same current
  4. All components have the same voltage
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Correct answer: All components have the same voltage

Branches in parallel are connected across the same two points, so they have equal voltage.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 7.1: What is a Series-Parallel Circuit?

Practice dc circuits

Questions last reviewed: 18 October 2026