Subject :NSO Class : Class 6
Which of the following materials is non-magnetic in nature?
ACobalt
BNickel
CSteel
DStainless Steel
Ans 1:
Class : Class 3
Cobalt, Nickel, and Steel are magnetic materials. But Stainless Steel is non-magnetic. There are several different types of stainless steel. The two main types are austenitic and ferritic. Ferritic stainless steels are generally magnetic, while austenitic stainless steels usually are not. Austenitic stainless steel is stainless steel added with nickel. so, the correct answer is Option D.
Ans 2:
Class : Class 8
Ans 3:
Class : Class 9
the answer is D