Multiple choice

The parallel branches of a 2-wire transmission line are terminated in 100 $\Omega$ and 200 $\Omega$ resistors as shown in the figure. The characteristic impedance of the line is Z0 = 50 $\Omega$ and each section has a length of $\dfrac{\lambda}{4}$. The voltage reflection coefficient at the input is

  1. - j $\dfrac{7}{5}$
  2. $\dfrac{-5}{7}$
  3. j$\dfrac{5}{7}$
  4. $\dfrac{5}{7}$
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D Correct answer
Explanation

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