Question

Relative permeability of iron is 5500. Its magnetic susceptibility is

• A. $5499$
• B. $5500\times10^7$
• C. $5500\times10^{-7}$
• D. $5501$

Answer 1

Answer: (A)

$5499$

Answer 2

$\mu_r$ = 5500, using 1 + $\chi = \mu_2$ , we get $\chi$ = 5500 - 1 = 5499.