DC circuitsQuestion 702 of 1506

A 12 V source feeds a 100 Ω resistor in series with two 200 Ω resistors in parallel. What is the total current?

  1. 60 mA
  2. 120 mA
  3. 40 mA
  4. 30 mA
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Correct answer: 60 mA

The two 200 Ω resistors give 100 Ω. The total is 100 Ω + 100 Ω = 200 Ω. I = 12 V / 200 Ω = 60 mA.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 7.2: Analysis Techniques for Series Parallel Resistor Circuits

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Questions last reviewed: 18 October 2026