16Once an SCR is turned on, it stays on until:AThe gate signal is removedBLight falls on itCIts current falls below the holding currentDVoltage increasesView AnswerDiscussWorkspaceReportSaveEasy
17A chopper is used for:ADC to ACBAC to DCCAC to AC frequency changeDDC to DC conversionView AnswerDiscussWorkspaceReportSaveEasy
18A freewheeling diode in a rectifier circuit:ABlocks DCBIncreases the output voltageCCharges a capacitorDProvides a path for inductive load current when the supply reversesView AnswerDiscussWorkspaceReportSaveEasy