Transmission voltage of 11 kV is normally used for distances up to________km?
A40—50 km
B20—25 km
C60—70 km
D80—100 km
Correct answer
B. 20—25 km
Explanation
Short transmission line: 0-20 kv, 0-50 km. Medium transmission line: 20-100 kv, 50-150 km. Long transmission line: above 100 kv and 150 km