Magnetism Question 152
Question: When a piece of a ferromagnetic substance is put in a uniform magnetic field, the flux density inside it is four times the flux density away from the piece. The magnetic permeability of the material is
[UPSEAT 2004]
Options:
A) 1
B) 2
C) 3
D) 4
Show Answer
Answer:
Correct Answer: D
Solution:
$ {\mu _{r}}=\frac{B}{B _{0}}=4 $
BETA
