Question
Question: Materials suitable for permanent magnet, must have which of the following properties?...
Materials suitable for permanent magnet, must have which of the following properties?
A
High retentivity, low coercivity and high permeability.
B
Low retentivity, low coercivity and low permeability.
C
Low retentivity, high coercivity and low permeability.
D
High retentivity, high coercivity and high permeability.
Answer
High retentivity, high coercivity and high permeability.
Explanation
Solution
: Materials suitable for permanent magnets should have high retentivity, high coercivity and high permeability.