Multiple choice

A transmission line terminates in two branches, each of length $\dfrac{\lambda}{4}$, as shown. The branches are terminated by 50 $\Omega$ loads. The lines are lossless and have the characteristic impedances shown. Determine the impedance Zi as seen by the source.

  1. 200 $\Omega$
  2. 100 $\Omega$
  3. 50 $\Omega$
  4. 25 $\Omega$
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D Correct answer
Explanation

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