Question 11 MarkA U-shaped permanent magnet attracts iron less strongly than a bar magnet.AnswerFALSEView full question & answer→
Question 21 MarkCoins are attracted to a bar magnet as they contain nickel.AnswerTRUEView full question & answer→
Question 31 MarkArtificial magnets are more powerful than natural magnets.AnswerFALSEView full question & answer→