The distance (in meters) a wave has to propagate in a medium having a – McqOptions

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1.	The distance (in meters) a wave has to propagate in a medium having a skin depth of 0.1 m so that the amplitude of the wave attenuates by 20 dB, is
A.	0.12
B.	0.23
C.	0.46
D.	2.3
Answer» C. 0.46

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