Red Seal Electrician Practice
AC theoryQuestion 979 of 1506

How do impedances behave in series and in parallel?

  1. They add in series and diminish in parallel
  2. They diminish in series and add in parallel
  3. They add in both
  4. They diminish in both
Show answer

Correct answer: They add in series and diminish in parallel

Impedance follows the same rules as resistance in DC circuits.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 5.1: Review of R, X, and Z

Practice ac theory

Questions last reviewed: 18 October 2026