Question
Physics Question on Magnetism and matter
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.