3. To prevent radiation losses and interference from external sources, the inner conductor of this transmission line is completely enclosed with a metal sheath or braid :
Introduction to Transmission Line » Exercise - 12. These conductors are uniformly spaced by insulators. They have low losses at low and medium frequencies and are economical to construct and maintained : (a) Coaxial cables (b) Open-wire transmission lines (c) Optical cables (d) Waveguides
Introduction to Transmission Line » Exercise - 1 1. A system of conductors used to convey electric power or signal between two or more points : (a) Channels (b) Optical cables (c) Transmission lines (d) Waveguides
Line with Any Termination » Exercise - 16. The minimum voltage along a transmission line is 260V, while the maximum voltage is 390V. The SWR is : (a) 0.67 (b) 1.0 (c) 1.2 (d) 1.5
Introduction to Satellite Communication » Exercise - 143. First geostationary satellite in the world was launched in : (a) 1952 (b) 1965 (c) 1975 (d) 1980