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Science Multiple Choice Questions

16. Basic source of magnetism ______________.
(A).Charged particles alone
(B).Movement of charged particles
(C).Magnetic dipoles
(D).Magnetic domains
17. Units for magnetic flux density
(A).Wb / m2
(B).Wb / A.m
(C).A / m
(D).Tesla / m
18. Magnetic permeability has units as
(A).Wb / m2
(B).Wb / A.m
(C).A / m
(D).Tesla / m
19. Magnetic permeability has units as
(A).Tesla
(B).Henry
(C).Tesla / m
(D).Henry / m
20. Magnetic field strength’s units are
(A).Wb / m2
(B).Wb / A.m
(C).A / m
(D).Tesla / m