1.

A single circuit 50 Hz, 3 transmission line has the following parameters per km.
R = 0.2 , L = 1.3 mH, C = 0.01 F
The efficiency of the line, if the line is 120 km long and deliver 40 mW at 132 kV and 0.8 pf lagging will be _________%

A. 0.926%
B. 9.26%
C. 92.6%
D. 926%
Answer» D. 926%


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