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Physics
Relative permeability of iron is 5500. Its magnetic susceptibility is
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Q. Relative permeability of iron is 5500. Its magnetic susceptibility is
KCET
KCET 2000
A
$5499$
25%
B
$5500\times10^7$
42%
C
$5500\times10^{-7}$
25%
D
$5501$
8%
Solution:
$\mu_r$ = 5500, using 1 + $\chi = \mu_2$ , we get $\chi$ = 5500 - 1 = 5499.