EntityQ1318445· pop 10· linked from 27 articlesvelocity factorSign in to saveratio of the speed at which a wavefront passes through the medium to the speed of light in a vacuumConnectionsspeed of light in vacuumEntityoptical fiberEntityrelative permittivityEntityFast EthernetEntityGigabit EthernetEntitytwin-leadEntityradioEntityInternational Standard Book NumberEntityvacuumEntitycomputer networkEntityunit of measurementEntitysquare rootEntityradio waveEntityspeedEntityspeed of soundEntityfaradEntitycapacitanceEntityhenryEntityinductanceEntityrefractive indexEntityCategoriesElectromagnetic radiationRatiosVelocity