Magnetism Question 143
Relative permeability of iron is 5500, then its magnetic susceptibility will be 5499
[KCET 2000; Kerala PMT 2004]
Options:
A) 5500 ´ 107
B) 5500 × 10⁻⁷
C) 5501
D) 5,499
Show Answer
Answer:
Correct Answer: D
Solution:
$ {\chi _{m}}=( {\mu _{r}}-1 )\Rightarrow {\chi _{m}}=( 5500-1 )=5499 $