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Module 3. Electrical fundamentals

What is the reflected impedance in the primary of the transformer circuit shown?

Diagram for question: What is the reflected impedance in the primary of the transformer circuit shown?
  • 20 ohms
  • 500 ohms
  • 50 ohms

tijaku asking:

? should be 50 ohms !

Community Comments (1)

D
dimky Posts: 511 06.06.2013 / 08:28
No.

Turn ration = square_root(impedance ratio), so impedance ratio = 10^2 = 100
Hence impedance is 5 * 100 = 500

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