Red Seal Electrician Practice
DC circuitsQuestion 369 of 1506

What is the effect of a resistor placed in series with a parallel circuit?

  1. It raises the voltage across each branch
  2. It makes each of the branches independent
  3. It lets the circuit current be controlled
  4. It places a short circuit across the supply
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Correct answer: It lets the circuit current be controlled

A series resistor limits total current.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 2.4: Series-parallel Circuits

Practice dc circuits

Questions last reviewed: 18 October 2026