Magnetic Effects of Current

Practice Questions:

Question 131: easy

The relative permeability of a ferromagnetic material is 5999. Its magnetic susceptibility is

1. 6000

2. \[6000 × 10^{–7}\]

3. 5998

4. \[5.999 × 10^7\]

View Answer

The relationship is \(\mu_r = 1 + \chi_m ⇒\chi_m = \mu_r - 1 = 5999 - 1 = 5998\).