DC circuitsQuestion 1364 of 1506

Two resistors of 10 Ω and 40 Ω are connected in parallel. What is the total resistance?

  1. 8.00 Ω
  2. 50.0 Ω
  3. 5.00 Ω
  4. 25.0 Ω
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Correct answer: 8.00 Ω

1/R = 1/10 + 1/40 = 0.125 S, so R = 8.00 Ω.

Source: Computed, 5.3: Simple Parallel Circuits

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Questions last reviewed: 18 October 2026