1Soft iron is used in electromagnets because it has:AHigh retentivityBLow permeabilityCNo magnetic propertiesDHigh permeability and low retentivityView AnswerDiscussWorkspaceReportSaveEasy
2Fleming's right-hand rule gives the direction of:AInduced EMF (generator action)BCurrent in a resistorCMagnetic flux onlyDForce on a conductor (motor action)View AnswerDiscussWorkspaceReportSaveEasy
3The energy stored in an inductor is:AL I²B½ L I²C½ C V²DL IView AnswerDiscussWorkspaceReportSaveEasy
4Curie temperature is the temperature above which a ferromagnetic material:ABecomes more magneticBMeltsCLoses its ferromagnetic propertiesDBecomes superconductingView AnswerDiscussWorkspaceReportSaveEasy
5Hysteresis loss in a magnetic material is reduced by using:ACopperBCast ironCAluminiumDSilicon steelView AnswerDiscussWorkspaceReportSaveEasy