Please show as much working as possible and comment where possible.
(a) A transmission line has a length, l, of 0.4 lambda. Determine the phase change that occurs down the line.
(b) A 50 Ohm lossless transmission line of length 0.4 lambda is terminated in a load of (40 + 30j) Ohm. Determine, using the equation given below, the input impedance to the line.
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