Red Seal Electrician Practice
TransformersQuestion 1075 of 1506

A transformer secondary supplies a resistive load. What happens in the primary circuit?

  1. The primary current falls
  2. The primary current stays at zero
  3. More current is drawn from the source
  4. The primary voltage rises
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Correct answer: More current is drawn from the source

The secondary load current is reflected to the primary.

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

Practice transformers

Questions last reviewed: 18 October 2026