An example for lossless propagation is(a) Dielectric waveguide propagation(b) Conductor propagation(c) Cavity resonator propagation(d) It is not possibleThis question was posed to me during an online interview.This interesting question is from Lossy and Lossless Dielectrics topic in chapter EM Wave Propagation of Electromagnetic Theory

An example for lossless propagation is(a) Dielectric waveguide propaga

1.	An example for lossless propagation is(a) Dielectric waveguide propagation(b) Conductor propagation(c) Cavity resonator propagation(d) It is not possibleThis question was posed to me during an online interview.This interesting question is from Lossy and Lossless Dielectrics topic in chapter EM Wave Propagation of Electromagnetic Theory
Answer» The CORRECT option is (d) It is not possible To elaborate: There are many techniques employed to ACHIEVE zero attenuation or MAXIMUM propagation. But it is not achievable PRACTICALLY. THUS lossless propagation is not possible practically.

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