EntityQ1326477· pop 14· linked from 30 articleselectret microphoneSign in to savemicrophone whose diaphragm forms a capacitor that incorporates an electretConnectionsmicrophoneEntitypolytetrafluoroethyleneEntitymoleculeEntitysoundEntityplasticEntitymagnetEntitytransistorEntitycapacitorEntityelectric chargeEntityWayback MachineEntityvoltageEntitywaxEntitydigital object identifierEntityelectric fieldEntitydirect currentEntityelectrostaticsEntitycapacitanceEntitydielectricEntitybibcodeEntityanalog signalEntityCategoriesAmerican inventionsCondenser microphones