engineering recuitment ISRO Scientist Electronics Mock Test Electromagnetic Theory Waveguides and Guided Waves Rectangular Waveguide
Which of the following statements is true?
1
The principle of fiber optical communication is frequency modulation.
2
Optical fibers experience more attenuation as compared to coaxial cables.
3
A rectangular waveguide cannot support TEM mode of transmission.
4
For a wave propagating in an air-filled rectangular waveguide propagation constant is always a real quantity.