DC circuitsQuestion 644 of 1506

What is the unit of conductance, symbol G?

  1. The ohm (Ω)
  2. The siemens (S)
  3. The henry (H)
  4. The farad (F)
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Correct answer: The siemens (S)

The siemens replaced the older name mho. The unit is always written with the last s.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 5.4: Conductance

Practice dc circuits

Questions last reviewed: 18 October 2026