teristic impedance of Z0 = 75Ω and a Phase constant of 7 rad/m. The line has a Resistance of 1.2 Ω/m and a Conductance of 300 μS/m. Find the Inductance and the
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5/ A distortion less line has a characteristic impedance of Z0 = 75Ω and a Phase constant of 7 rad/m. The line has a Resistance of 1.2 Ω/m and a Conductance of 300 μS/m. Find the Inductance and the Capacitance at 100 Mhz.
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- A transmission line of characteristic impedance 40 ohms and length 6.2λ is terminated by an unknown load impedance. The reflection coefficient, Γ, looking into the transmission line at the input is 0.45+j0.55 What is the unknown load impedance?At a frequency of 1 kHz the primary constants of a transmission line are resistance R = 25 /loop km, inductance L = 5 mH/loop km, capacitance C = 0.04µF/km and conductance G = 80 µS/km. Determine for the line the characteristic impedance, the propagation coefficient, the attenuation coefficient and the phase-shift coefficientWhat is the value of the input impedance half wavelength from the load? a. ZL b. minimum c. maximum d. Zo For an open circuit line, the location of the first maximum current is ____. a. at the load b. λ/4 from the load c. 0.125λ from the load d. λ/2 from the load What is the phase difference between two points that are half wavelength apart? a. 90° b. 45° c. 180° d. 270°
- A short-circuited transmission line section is exactly one-quarter wavelengthat a frequency of 1250 MHz. Calculate the inductave reactance , and (b) the eq uiva le nt inductance, at a frequency of 500 MHz. The character st ~ impedance of the line is 50ohm4. A transmission line has a characteristic impedance of ? = 21.05∠60.4? with propagation constant of 7.561 ? 10?? + ? 0.002863 . Calculate the primary constants at an angular frequency of 5000 rad/sec. 5. A distortion less line has a characteristic impedance of Z0 = 50Ω and a Phase constant of 5 rad/m. The line has a Resistance of 1.5 Ω/m and a Conductance of 600 μS/m. Find the Inductance and the Capacitance at 50 Mhz. 6. (a) Describe the basic Microwave transmission system and give the importance of each component in the system.(b) What are Microwaves? Bring out the basic advantage of Microwaves over Co-axial cables and the Fiber optics.6. A 50Ω transmission line uses an insulating material with ǫr = 3. When terminated in anopen circuit, how long the line has to be for its input impedance to be a 30µH inductanceat 200MHz?
- A 3-phase transmission line 100 km long has its conductors of 0.5 cm diameter spaced at the corners of the equilateral triangle of 120 cm side. Find the inductance per phase of the systemA transmission line has a characteristic impedance of 100 ohm and a resistance of 0.2 ohm/m. If the line is distortion less, then what will be the attenuation constant associated with the line?A transmission line has two aluminum conductors in bundle. The self GMD of each conductor is 8.90 mm and the distance between the conductors and phase is 40 cm and 9 m, respectively. What is the inductance of the line per phase? A. 2 μH/m B. 4 μH/m c. 1 μH/m D 3 μH/m
- GMR of a bundled conductor for inductance calculations was found as 7.3 cm. A, B and C phases of a transposed transmission line have a horizontally flat arrangement with D = 10 m between the centre points of the three phases. Find capacitance per phase per km of length. Express your answer in nF/kmCharacteristic impedance of a lossless transmission line is 90 phn. The capacitance per unit length for the line is 1.5 mF/m. Find out the inductance per unit length for the line.A 3-phase line has conductors 6 cm in diameter spaced equilaterally 3 m apart. If the dielectric strength of air is 30 kV (max) per cm, find the disruptive critical voltage for the line. Take air density factor δ = 0.952 and irregularity factor m = 0.8.