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Q#1
Transmission Lines
GATE EC 2023
MSQ
+2 marks
-0 marks
The standing wave ratio on a 
lossless transmission line terminated in an unknown load impedance is found to be 2.0. The distance between successive voltage minima is 30 cm and the first minimum is located at 10 cm from the load. 
can be replaced by an equivalent length 
and terminating resistance 
of the same line. The value of and , respectively, are
Explanation:
Given 
As we know that,
Now, distance between successive voltage minima 
Also, for minima,
At 
, 1st minima, 
Here, 
Going through options,
satisfy this
identity, hence option (b) and (c) are correct.’
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