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For a lossless dielectric, the attenuation will be

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For a lossless dielectric, the attenuation will be

(a) 1

(b) 0

(c) -1

(d) Infinity

I have been asked this question in class test.

This interesting question is from Lossy and Lossless Dielectrics topic in division EM Wave Propagation of Electromagnetic Theory

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Correct answer is (b) 0

Easiest explanation: The attenuation is the loss of power of the wave during its propagation. In a lossless dielectric, the loss of power will not occur. Thus the attenuation will be zero.

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