MCQ 11 MarkA permanent magnet can be demagnetized by –AhammeringBheatingCrough handling✓all of these.AnswerCorrect option: D. all of these.all of theseView full question & answer→
MCQ 21 MarkThe region around a magnet where its magnetic force ‘ can be experienced is called –Amagnetic axisBmagnetic equator✓magnetic fieldDmagnetic polesAnswerCorrect option: C. magnetic fieldmagnetic fieldView full question & answer→
MCQ 31 MarkWhich of the following methods is used to magnetize a magnetic without touching it by a magnet ?ASingle$-$touchBDouble$-$touch✓Using electric currentDNone of theseAnswerCorrect option: C. Using electric currentUsing electric currentView full question & answer→
MCQ 41 MarkThe surest test of magnetism is –AattractionBrepulsion –CdiffusionDhammeringAnswerrepulsionView full question & answer→
MCQ 51 MarkTemporary magnets are made of –✓soft ironBsteelCstainless steelDcopperAnswerCorrect option: A. soft ironsoft ironView full question & answer→