Question
Download Solution PDFAn extra high voltage transmission line of length 300 km can be approximate 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
This question was previously asked in
ESE Electrical 2018 Official Paper
Answer (Detailed Solution Below)
Option 4 : 6.06%
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ST 1: UPSC ESE (IES) Civil - Building Materials
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20 Questions
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Detailed Solution
Download Solution PDF\(\begin{array}{l}
\lambda = \frac{{2\pi }}{\beta } = \frac{{2\pi }}{{0.00127}} = 4947.4km\\
\frac{{Line\ length}}{{Wave\ length}} = \frac{{300}}{{4947.4}} = 0.0606 = 6.06\%
\end{array}\)
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