MHT CET Physics question

Not in JEE Advanced syllabus

Core of electromagnets are made of ferromagnetic material which has [Similar MP PET 1995, UPSEAT 2005, MP PMT 2006, CBSE PMT 2006, CBSE PMT 2007]

Answer: (B)

Solution

The core must be easily magnetised (high permeability) and lose magnetism when the current is switched off (low

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Question ID VK-080590