QUESTION 14 in conductive wires (guided medium), the strength of electrical sign

Question

QUESTION 14 in conductive wires (guided medium), the strength of electrical signal power determines its ability to overcome attenuation, and therefore the distance that the signal can travel through the medium. Signal power is determined by the signal's value of voltage and current True False QUESTION 15 In unguided medium (free space), the electromagnetic (EM) signal wave spreads as it leaves the transmit antenna. Since the power of the EM signal resides in the surface area of the wave front, signal power is described as signal power density (ie, watts per areal True False QUESTION 16 so pe The spreading of an electromagnetic (EM) signal in an unguided medium such as air, weakens the EM signal therefore causing signal attenuation True Fase

Explanation / Answer

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14 True
15 True
16 True

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