Which of the following materials is used for making permanent magnets?
A. Carbon steel
B. Platinum cobalt
C. Alnico
D. All three mentioned
Answer: D
Which of the following materials is used for making permanent magnets?
A. Carbon steel
B. Platinum cobalt
C. Alnico
D. All three mentioned
Answer: D
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.