Red Seal Electrician Practice
DC circuitsQuestion 633 of 1506

A 24 V supply feeds 2 kΩ, 4 kΩ and 6 kΩ resistors in series. What is the circuit current?

  1. 12 mA
  2. 4 mA
  3. 2 mA
  4. 6 mA
Show answer

Correct answer: 2 mA

Total resistance is 2 + 4 + 6 = 12 kΩ. Current is 24 V / 12 000 Ω = 0.002 A = 2 mA.

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

Practice dc circuits

Questions last reviewed: 18 October 2026