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1. |
An overhead line having a surge impedance of 400 is connected in sereis with an underground cable having a surge impedance of 100 . If a source of 50 kV travels from the line end towards the line-cable junctions, the value of the transmitted volt age wave at the junction is ________ kV |
A. | 20 |
B. | 0.20 |
C. | 0.002 |
D. | 200 |
Answer» B. 0.20 | |