Red Seal Electrician Practice
TransformersQuestion 1078 of 1506

What is leakage inductance in a transformer?

  1. Current that flows from the winding to earth
  2. Magnetic flux that does not link both windings
  3. The loss that is caused by eddy currents
  4. The inductance of the core bolts
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Correct answer: Magnetic flux that does not link both windings

That flux only stores and returns energy to its own winding.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 10.1: Mutual Inductance and Basic Operation

Practice transformers

Questions last reviewed: 18 October 2026