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in Physics by (45.7k points)

The input impedance of a λ/8  section of a lossless transmission line of characteristic impedance 50Ω is found to be real when the other end is terminated by a load  ZL ( = R +  jXΩ) if X is 30Ω, the value of R (inΩ) is _________ 

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Best answer

R2 = 502 - X2 = 502 - 302

R = 40Ω

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