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Science Multiple Choice Questions

26. Magnetic susceptibility para-magnetic materials is
(A).+10-5
(B).-10-5
(C).105
(D).10-5 to 10-2
27. Magnetic susceptibility dia--magnetic materials is
(A).+10-5
(B).-10-5
(C).105
(D).10-5 to 10-2
28. Magnetic susceptibility ferro-magnetic materials is
(A).+10-5
(B).-10-5
(C).105
(D).10-5 to 10-2
29. Typical size of magnetic domains ______ (mm).
(A).1-10
(B).0.1-1
(C).0.05
(D).0.001
30. Typical thickness of Bloch walls ______ (nm).
(A).0.1-1
(B).1-10
(C).10-50
(D).100