1At resonance in a series RLC circuit:AXL = XC and impedance is minimumBImpedance is maximumCXL = 0DCurrent is minimumView AnswerDiscussWorkspaceReportSaveEasy
2A low power factor causes:AHigher efficiencyBLower currentCNo changeDHigher current and larger losses for the same real powerView AnswerDiscussWorkspaceReportSaveEasy
3Power factor is the cosine of the angle between:ATwo currentsBTwo voltagesCReal and reactive power onlyDVoltage and currentView AnswerDiscussWorkspaceReportSaveEasy
4In a balanced star connection, line voltage equals:APhase voltage / √3BPhase voltageC√3 × phase voltageD3 × phase voltageView AnswerDiscussWorkspaceReportSaveEasy
5A 230 V RMS supply has a peak value of about:A230 VB460 VC163 VD325 VView AnswerDiscussWorkspaceReportSaveMedium