Which among the following, is a correct expression for µ0.
(a) µ0=BH
(b) µ0=B/H
(c) µ0=H/B
(d) µ0=BH^2
I got this question at a job interview.
This intriguing question originated from Permeability of Free Space or Magnetic Constant topic in division Simple Magnetic Circuits of Basic Electrical Engineering