Red Seal Electrician Practice
DC circuitsQuestion 413 of 1506

Three resistors are connected in parallel across a 120 V source. What is the voltage across each resistor?

  1. 120 V
  2. 40 V
  3. 360 V
  4. The voltage depends on each resistance
Show answer

Correct answer: 120 V

In a parallel circuit the same supply voltage appears across every branch.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 7.2: Parallel Circuits

Practice dc circuits

Questions last reviewed: 18 October 2026