Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
What happens if the secondary of a ferrite-core current transformer (single wire through the donut hole, multiple turns on the secondary) is left open (or is terminated with a high-z like a scope input)?
With the secondary open, what is the impedance reflected into the primary circuit?
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