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Question
Core of elctromagnets are made of ferromagnetic materials which have ______.
Options
- low permeability and low retentivity
- high permeability and high retentivity
- high permeability and high retentivity.
- low permeability and high retentivity.
MCQ
Fill in the Blanks
Solution
Core of elctromagnets are made of ferromagnetic materials which have high permeability and high retentivity.
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