electromagnetism, Physics

Your friend has gifted an earphone set to you. While music is on you will try to oppose the two ear phone pieces to attract.
Task-I: Will they repel? If yes, why so?
Task-II: Why Soft Iron is suitable for preparing pole pieces in earphones as well as loudspeakers instead of steel?
Posted Date: 3/10/2013 8:38:17 AM | Location : USA







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