Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 5 (Q.No. 31)
Permanent magnets are made of high carbon steel and
15% of cobalt
20% of cobalt
35% of cobalt
45% of cobalt.
Answer: Option
No answer description is available. Let's discuss.
5 comments Page 1 of 1.

Akshay said:   6 years ago
What is cobalts?

Please explain it.

Gowri said:   6 years ago
Where are permanent magnets used?

Alpesh mali said:   5 years ago
Please anyone explain.

Dhr said:   4 years ago
Permanent magnets are materials where the magnetic field is generated by the internal structure of the material itself. Inside atoms and crystals you have both electrons and the nucleus of the atom.

Teja said:   3 years ago
Thanks @Dhr.

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