Core of electromagnets are made of ferromagnetic materials which haveA. low permeability and high retentivityB. high permeability and low retentivityC. low permeability and low retentivityD. high permeability and high retentivity

Core of electromagnets are made of ferromagnetic materials which haveA

1.	Core of electromagnets are made of ferromagnetic materials which haveA. low permeability and high retentivityB. high permeability and low retentivityC. low permeability and low retentivityD. high permeability and high retentivity
Answer» Correct Answer - B Core of electromagnets are made up of ferromagnetic material which has high permeability and how retentivity.

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Core of electromagnets are made of ferromagnetic materials which haveA. low permeability and high retentivityB. high permeability and low retentivityC. low permeability and low retentivityD. high permeability and high retentivity

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