ISRO Electrical Engineering (EE) 2013 - Question 6

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Characteristic impedance of a quarter wave transformer connected in between a load of 100 ohm and a transmission line of characteristic impedance 225 ohms is

  • A. 100 ohm
  • B. 225 ohm
  • C. 600 ohm
  • D. 150 ohm

Answer: D. 150 ohm

Explanation: Z = √(Z_L·Z0) = √(100×225) = 150 Ω.

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