Solving a problem in physics, section 56, point 85 wave

Solving a problem in physics, section 56, point 85 wave

85. By what percentage will decrease the speed of propagation of electromagnetic waves in the cable if the space between the outer and inner conductors of the cable to fill dielectric permittivity ε = 6?

Additional information:

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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