6A transformer cannot work on DC because:ADC is too highBDC does not produce a changing fluxCDC damages the core instantlyDDC has no voltageView AnswerDiscussWorkspaceReportSaveEasy
7A transformer works on the principle of:AElectrostaticsBSelf induction onlyCMutual inductionDThermionic emissionView AnswerDiscussWorkspaceReportSaveEasy
8An autotransformer has:AA single winding shared by primary and secondaryBThree windings alwaysCTwo separate windingsDNo coreView AnswerDiscussWorkspaceReportSaveEasy
9Iron (core) losses in a transformer are:AConstant, independent of loadBProportional to load squaredCZero at no loadDProportional to load currentView AnswerDiscussWorkspaceReportSaveEasy
10The voltage regulation of a transformer is:AThe change in secondary voltage from no load to full load, as a percentageBThe efficiencyCThe power factorDThe turns ratioView AnswerDiscussWorkspaceReportSaveEasy