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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