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Permanent magnets are made of high carbon steel and?

  1. 15% of cobalt
  2. 20% of cobalt
  3. 35% of cobalt
  4. 45% of cobalt
LohaHridoy
LohaHridoy
4 views
2025-01-04 04:42

1 Answers

AhmedNazir
AhmedNazir

Answer: Option 4

4 views Answered 2022-09-01 13:21

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