Electrical mathQuestion 936 of 1506

A pure inductor has a reactance of 30 Ω and is connected across 120 V AC. What is the current?

0.25 A
3600 A
90 A
4 A

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Correct answer: 4 A

I = E / XL = 120 V / 30 Ω = 4 A.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 3.2: AC Inductor Circuits

Questions last reviewed: 18 October 2026

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