Question

The relative permeability of iron is $6000$. Its magnetic susceptibility is

• A. $5999$
• B. $6001$
• C. $6000\times 10^{-7}$
• D. $6000\times 10^7$
• E. 60

Answer 1

Answer: (A)

Relative permeability of iron,
${\mu }_r=6000$
Magnetic susceptibility
${\chi }_m={\mu }_r-1=5999$.