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An infinitely long lossy transmission line with characteristic impedance Z01 = 200Ω is feeded by a λ/2 section of 100Ω lossless transmission line as shown in figure. If a voltage generator Vsg = 4 V with an internal resistance Vg = 100Ω is applied to the whole configuration, then the average power (in mWatt) transmitted to the infinite transmission line will be ______. (Answer up to one decimal place)
    Correct answer is '17.8'. Can you explain this answer?
    Most Upvoted Answer
    An infinitely long lossy transmission line with characteristic impeda...
    As we know, the input impedance of infinitely long lossy transmission line is equal to its characteristic impedance. So, the input impedance to line 1 will be
    Zin1 = Z01 = 200 Ω
    From the shown arrangement of the transmission line, it is clear that the effective load impedance for line 2 will be equal to the input impedance of line 1.
    i.e. ZL2 = Zin1 = 200 Ω
    Since the length of the line 2 is λ/2, so the input impedance of line 2 will be equal to its load.
    i.e. Zin2 = ZL2 = 200 Ω
    (l = λ/2)
    Therefore, the reflection coefficient at the load terminal of line 2 is given as
    Now, the input voltage of line 2 is determined by using voltage division rule as
    Again, the voltage at any point on line 2 is given as
    whereV0+ is voltage of incident wave β is phase constant of the voltage wave and z is distance from load. So, for z = −λ/2
    = – 2 volt
    Therefore, the incident average power to the line 2 is given as
    So, the reflected average power at the input terminal of line 1 (load terminal of line 2) is
    Thus, we get the transmitted power to the line 1 as
    Pavt = Pavi - Pavr = 20 - 2.2 = 17.8 m Watt
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    An infinitely long lossy transmission line with characteristic impedance Z01 = 200Ω is feeded by a λ/2 section of 100Ω lossless transmission line as shown in figure. If a voltage generator Vsg = 4 V with an internal resistance Vg = 100Ω is applied to the whole configuration, then the average power (in mWatt) transmitted to the infinite transmission line will be ______. (Answer up to one decimal place)Correct answer is '17.8'. Can you explain this answer?
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    An infinitely long lossy transmission line with characteristic impedance Z01 = 200Ω is feeded by a λ/2 section of 100Ω lossless transmission line as shown in figure. If a voltage generator Vsg = 4 V with an internal resistance Vg = 100Ω is applied to the whole configuration, then the average power (in mWatt) transmitted to the infinite transmission line will be ______. (Answer up to one decimal place)Correct answer is '17.8'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about An infinitely long lossy transmission line with characteristic impedance Z01 = 200Ω is feeded by a λ/2 section of 100Ω lossless transmission line as shown in figure. If a voltage generator Vsg = 4 V with an internal resistance Vg = 100Ω is applied to the whole configuration, then the average power (in mWatt) transmitted to the infinite transmission line will be ______. (Answer up to one decimal place)Correct answer is '17.8'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An infinitely long lossy transmission line with characteristic impedance Z01 = 200Ω is feeded by a λ/2 section of 100Ω lossless transmission line as shown in figure. If a voltage generator Vsg = 4 V with an internal resistance Vg = 100Ω is applied to the whole configuration, then the average power (in mWatt) transmitted to the infinite transmission line will be ______. (Answer up to one decimal place)Correct answer is '17.8'. Can you explain this answer?.
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