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The source voltage of a 75ohm transmission line is given by 150V. Find the load current.

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in Electromagnetic Theory by (188k points)
The source voltage of a 75ohm transmission line is given by 150V. Find the load current.

(a) 0.5

(b) 2

(c) 4

(d) 1

This question was posed to me in exam.

Enquiry is from Waveguide Current and Excitation topic in portion Waveguides of Electromagnetic Theory

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Correct answer is (b) 2

To explain: The load current is given by IL = VS/Z0. On substituting for VS = 150 and Z0 = 75, we get IL = 150/75= 2A.

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