Whenplacedinamagneticfieldwhichofthematerialslist

When placed in a magnetic field, which of the materials listed will maintain the highest permeability?( )

A.Glass

B.Bakelite

C.Soft iron

D.Aluminum

正确答案：C
解析：magnetlc：磁的;permeability：渗透;Bakelite：电木;aluminum：铝
译文：在所列选项中软铁的导磁率最大