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A transmission line of characteristic impedance $50 \; \Omega$ is terminated in a load impedance $\text{Z}_\text{L} .$ The $\text{VSWR}$ of the line is measured as $5$ and the first of the voltage maxima in the line is observed at a distance of $\lambda / 4$ from the load. The value of $\text{Z}_\text{L}$ is

  1. $10 \; \Omega$
  2. $250 \; \Omega$
  3. $(19.23+j 46.15) \; \Omega$
  4. $(19.23-j 46.15) \; \Omega$
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