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Find VSWR of a line having maximum and minimum value equals to 120mV and 40mV respectively?

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in Analog Communications by (122k points)
Find VSWR of a line having maximum and minimum value equals to 120mV and 40mV respectively?

(a) 3

(b) 2

(c) 1

(d) 4

I have been asked this question in semester exam.

The origin of the question is Problems of AM topic in chapter Amplitude Modulation of Analog Communications

1 Answer

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Best answer
Right choice is (a) 3

Easy explanation: The voltage standing wave ratio (VSWR) is defined as the ratio of the maximum to minimum voltage on a loss-less line. In this way, the VSWR is measured at a particular point and the voltage maxima and minima do not need to be determined along the length of the line.

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