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GATE ECE 2005 | Question-76

Characteristic impedance of a transmission line is $50 \Omega$. Input impedance of the open-circuited line is $Z_{a^{-}}=100+j 150 \Omega$. When the transmission line is short- circuited, then value of the input impedance will be

  1. $50 \Omega$
  2. $100+j 150 \Omega$
  3. $7.69+j 11.54 \Omega$
  4. $7.69-j 11.54 \Omega$
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