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How does an ohmmeter measure the resistance of a circuit or component?

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  1. It applies a small current and measures the voltage
  2. It puts a variable resistor in series
  3. It reads resistance without applying any test signal

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References

  1. NCVEC 2026-2030 Technician Question Pool (February 19, 2026 errata) ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf Checked 2026-10-09.

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