Three materials P, Q and R have magnetic susceptibilities equal to

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism

Problem

Three materials P, Q and R have magnetic susceptibilities

\chi_m

equal to

-4.0\times10^{-6}

1.5\times10^{-3}

and

600

respectively. If the same magnetising field

H

is applied to each, which of the following correctly ranks the magnitudes of their magnetisations

M

? (a)

|M_R| > |M_Q| > |M_P|

(b)

|M_Q| > |M_R| > |M_P|

(c)

|M_R| > |M_P| > |M_Q|

(d)

|M_Q| > |M_P| > |M_R|