Which of the following elements are real magnetic materials?
A
Iron, steel and nickel
B
copper, steel and iron
C
lead, iron and brass
D
glass, lead and steel
E
stone, air and iron
Verified Correct Answer: A.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #28977)