The high-voltage power line has an impedance per phase of 10 ohms, a 70-degree angle.

If you want to protect the transmission line, you can get 80% of the entire line length.

Adjustable impedance value, what is the setting

A. 10 ohms

B. 9 ohms

C. 8 ohms

D. 7 ohms

## Show Answer

Answer: C

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