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1. |
A surge of 15 kV magnitude travels along a cable towards its junction with a overhead line. If inductance and capacitance of the cable and overhead line are respectively 0.3 mH, 0.4 H and 1.5 mH, 0.012 H per km, the voltage rise at the junction due to the surge, will be ________ kV |
A. | 27.87 |
B. | 2.787 |
C. | 278.7 |
D. | 2787 |
Answer» B. 2.787 | |