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1. |
A single phase transmission line and a telephone line are both symmetrically strung one below the other, in horizontal configurations, on a common t ower. The shor t est and l ongest distances between the phase and telephone conductors are 2.5 m and 3 m respectively. The volt age (volt /km) induced in the telephone circuit, due to 50 Hz current of 100 amps in the power circuit is |
A. | 4.81 |
B. | 3.56 |
C. | 2.29 |
D. | 1.27 |
Answer» D. 1.27 | |