NDA 2023 Physics question
How many of the following materials can be attracted by a magnet ? 1. Plastic 2. Carbon 3. Aluminium 4. Stainless Steel Select the correct answer using the code given below :
Answer: (A)
Solution
A magnet attracts ferromagnetic materials such as iron, nickel, cobalt and their alloys. Plastic, carbon and aluminium are not attracted.
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