Question
Asked Oct 21, 2019
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What is the actual velocity of EM energy in the cable used for cable TV that has a propagation factor of 75% of the velocity of light. 

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Expert Answer

Step 1

Velocity of light can be calculated in the following way:

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1 m/s >(1) c 4=Permability of free space E Permitivity of free space

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Step 2

The value of the permitivity and permeability of free space will be

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E8.85x1012 H/m =47x10 F/m

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Step 3

Using the value of the permitivity and perm...

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= 3 x 10 V4T x 107 x8.85 x 10-12 m/s

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Electrical Engineering

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