Permanent magnets are made of high carbon steel and Options: A . &nbsp15% of cobalt B . &nbsp20% of cobalt C . &nbsp35% of cobalt D . &nbsp45% of cobalt

Permanent magnets are made of high carbon steel and

Question

Permanent magnets are made of high carbon steel and

Options:

A . 15% of cobalt

B . 20% of cobalt

C . 35% of cobalt

D . 45% of cobalt

Answer: Option D

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