Question
Physics Question on Types of Magnets
The hard ferromagnetic material among the following is
A
gadolinium
B
iron
C
cobalt
D
Alnico
E
nickel
Answer
iron
Explanation
Solution
The correct option is (B) : iron
The hard ferromagnetic material among the following is
gadolinium
iron
cobalt
Alnico
nickel
iron
The correct option is (B) : iron