Red Seal Electrician Practice
DC circuitsQuestion 645 of 1506

A 24 V supply feeds 2 kΩ, 4 kΩ and 6 kΩ resistors in series. What is the voltage drop across the 6 kΩ resistor?

  1. 24 V
  2. 12 V
  3. 8 V
  4. 4 V
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Correct answer: 12 V

Current is 24 V / 12 kΩ = 2 mA. The drop is 2 mA x 6 kΩ = 12 V.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 5.2: Simple Series Circuits

Practice dc circuits

Questions last reviewed: 18 October 2026