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An extra high voltage transmission line of length 300 km can be approximated by a lossless line having propagation constant β = 0.00127 radians per km. Then the percentage ratio of line length to wavelength will be given by (A) 24.24 % (B) 12.12 % (C) 19.05 % (D) 6.06 % |
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Answer» Correct option (D) 6.06 % Explanation: l = 300 km, β = 0.00127 rad/km Wavelength is given by, λ = 2π/β = 2π/0.00127 = 4947.39Km % Ratio = l/λ x 100% % Ratio = 300/4947.39 x 100% = 6.06% |
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