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Calculate the transmission coefficient, when the incident and transmitted amplitudes are 10 and 7 respectively.

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in Electromagnetic Theory by (188k points)
Calculate the transmission coefficient, when the incident and transmitted amplitudes are 10 and 7 respectively.

(a) 17

(b) 3

(c) 10/7

(d) 0.7

I got this question by my college director while I was bunking the class.

My enquiry is from Reflection and Transmission Coefficients in division Transmission Lines of Electromagnetic Theory

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Correct answer is (d) 0.7

The best I can explain: The transmission coefficient is defined as the ratio of the transmitted amplitude to the incident amplitude. Thus T = Et/Ei. On substituting for Ei = 10 and Et = 7, we get T = 7/10 = 0.7.

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