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When the ratio of load voltage to input voltage is 5, the ratio of the characteristic impedance to the input impedance is

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in Electromagnetic Theory by (188k points)
When the ratio of load voltage to input voltage is 5, the ratio of the characteristic impedance to the input impedance is

(a) 1/5

(b) 5

(c) 10

(d) 25

The question was asked in semester exam.

Question is taken from Input and Characteristic Impedances in division Transmission Lines of Electromagnetic Theory

1 Answer

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Best answer
Right choice is (b) 5

For explanation I would say: From the transmission line equation, the ratio of the load voltage to the input voltage is same as the ratio of the characteristic impedance to the input impedance. Thus the required ratio is 5.

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