Ferranti effect

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Notion

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Science and technology

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What Wikipedia says

In electrical engineering, the Ferranti effect is the increase in voltage occurring at the receiving end of a very long (> 200 km) AC electric power transmission line, relative to the voltage at the sending end, when the load is very small, or no load is connected.

Excerpt from the Wikipedia article “Ferranti effect”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Car333son, CC BY-SA 3.0, via Wikimedia Commons.