Zero Dissipationless Line Lab Report

The attenuation constant of a zero dissipationless line is given by………………. ∝=0 ∝=1 ∝=-1 ∝≠0 The phase constant of a zero dissipationless line is given by………………. β=0 β=1 β=ω√LC β=ω√RC

The velocity of propagation in zero dissipationless line is given by………………. v=1/√LC v=1/√4LC v=√(L/C) v=2√(L/C) The standing wave ratio is given by………………. SWR=1/|〖E_MAX E〗_MIN | SWR=√(|E_MAX |/|E_MIN | ) SWR=|E_MAX |/|E_MIN | SWR=4|E_MAX |/|E_MIN | The standing wave ratio is given by………………. In terms of K SWR=1/|K| SWR=√(|K|/|1+K| ) SWR=(1+|K|)/(1-|K| ) SWR=|K-1|/|K+1| The maximum input impedance is given by………………. In terms of S and Zo S + Zo S - Zo S / Zo S Zo The minimum input impedance is given by………………. In terms of S and
-cot(2πs/λ) cot(2πs/λ) -tan(2πs/λ) tan(2πs/λ) The mismatched line is also called as………………. Loss less line Dissipation line Resonant line None of these The maximum input impedance is given by………………. E_min/I_min E_max/I_max E_max/I_min E_min/I_max The minimum input impedance is given by………………. E_min/I_min E_max/I_max E_max/I_min E_min/I_max
Topics on Impedance Matching A quarter wave line can transform ………impedance into ………. Impedance. Low, High High, Low None of these a and b The main drawback of the circle diagram is that the constant S circles and Constance βs circle are……………. Equal Not Equal Unity Concentric

P.H.Smith chart developed a new chart at………………………Laboratories Electronics Bell AT & T None of these Smith chart is mainly used for analysis the………………. problems transmission line high frequency low frequency none of these The resistive and reactive components are represented in……………… form. Polar Bipolar Circular Rectangular The smith chart is also called ……………chart Polar Bipolar Circular Rectangular Under Matched Impedance Condition, the value of K and VSWR are represented
Waveguide Coaxial cable Fiber optic cable All of the above What is the lowest value of Reflection Coefficient? 1 0 -1 Infinity What is the highest value of Reflection Coefficient? 1 0 -1 infinity What is the lowest value of SWR? 1 0 -1 Infinity What is the highest value of SWR? 1 0 -1 Infinity What type of measurement can be done easily to find the SWR? Voltage Current Power All of the above The transmission line act as an antenna at…………………….frequency Low High Mid range All of the above

What type of instrument can be used to measure the SWR? Spectrometer Reflectometer Oscilloscope Multimeter. To reduce the phase distortion by using………………….. Coaxial cable Equalizer Twisted Pair Cable None of the above To reduce the frequency distortion by using………………….. Coaxial cable Equalizer Twisted Pair Cable None of the above The characteristic impedance (Zo) of the transmission line independent of……………. Conductor Height Length Conductor Width