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Question
Which of the following statements is true for an isolation transformer?
  1. It has more primary turns than secondary turns.
  2. It has fewer primary turns than secondary turns.
  3. It has an equal number of primary and secondary turns.
  4. It can have more, fewer, or an equal number of primary and secondary turns.
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Final Answer

(c)

Solution Video

OpenStax College Physics Solution, Chapter 23, Problem 7 (Test Prep for AP® Courses) (0:17)

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Video Transcript
This is College Physics Answers with Shaun Dychko An isolation transformer serves to create safety; it doesn't serve to change voltage or current. And so it has an equal number of primary and secondary turns. So the answer is C.