EntityQ1164612· pop 18· linked from 167 articlescharacteristic impedanceSign in to saveratio of the amplitudes of voltage and current of a single wave propagating along the lineConnectionsvoltageEntitywireless communicationEntityInformation AgeEntityphasorEntityacoustic impedanceEntitytelegrapher's equationsEntityelectrical resistance and conductanceEntityundergroundingEntitypropagation coefficientEntityInternetEntityThomas EdisonEntitytelephoneEntityNikola TeslaEntitymass mediaEntityInternational Standard Book NumberEntityTim Berners-LeeEntityInternational System of UnitsEntityAlexander Graham BellEntityRichard FeynmanEntityelectric currentEntityCategoriesDistributed element circuitsElectricityPhysical quantitiesTransmission lines