6The efficiency of a half-wave rectifier is at most about:A40.6%B25%C100%D81.2%View AnswerDiscussWorkspaceReportSaveEasy
7Which diode is used as a voltage-controlled capacitor?ASchottky diodeBVaractor diodeCZener diodeDTunnel diodeView AnswerDiscussWorkspaceReportSaveEasy
8A clipper circuit is used to:ARemove part of a waveform above or below a levelBAdd a DC levelCAmplify a signalDGenerate oscillationsView AnswerDiscussWorkspaceReportSaveEasy
9In a reverse-biased PN junction, the depletion region:ANarrowsBStays the sameCWidensDDisappearsView AnswerDiscussWorkspaceReportSaveEasy