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Practice quizzes / IMSA Traffic Signal I Practice Questions - IMSA Traffic Signal Technician Level I Certification Exam Exam / Question 102858
Practice question

In a series circuit with three resistors of 10, 20, and 30 ohms, what is the total resistance?

  1. 5.45 ohms
  2. 20 ohms
  3. 60 ohms
  4. 600 ohms

Answer: C — 60 ohms

The correct answer is shown above. Try the full quiz for additional practice.

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