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If a λ/3 transmission line is open circuited and has characteristic impedance of 50 Ω then the input impedance is:

If a λ/3 transmission line is open circuited and has characteristic impedance of 50 Ω then the input impedance is: Correct Answer j28.86Ω

Input impedance of an open circuited transmission line is given by – jZ0cotβl. Substituting l=λ/3 and β=2π/λ in the above equation, input impedance is j28.86Ω.

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