16Soft iron is used in electromagnets because it has:ALow permeabilityBHigh retentivityCNo magnetic propertiesDHigh permeability and low retentivityView AnswerDiscussWorkspaceReportSaveEasy
17Hysteresis loss in a magnetic material is reduced by using:ACast ironBCopperCAluminiumDSilicon steelView AnswerDiscussWorkspaceReportSaveEasy