Red Seal Electrician Practice
AC theoryQuestion 982 of 1506

What is the first step in analyzing a series R-L-C circuit?

  1. Add all the component values together as plain numbers
  2. Measure the phase angle with a handheld multimeter
  3. Remove the capacitor from the circuit before the test
  4. Find the reactance of the inductor and the capacitor
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Correct answer: Find the reactance of the inductor and the capacitor

Reactances depend on frequency, so they must be found before the impedances can be set up.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 5.2: Series R, L, and C

Practice ac theory

Questions last reviewed: 18 October 2026