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MHT CET202122 Sep 2021Evening ShiftPhysicsMagnetic Properties of MatterActual

The relative permeability of iron is 2000 . Its absolute permeability in SI unit will be ( ₀ 4 =10⁻⁷ . SI unit )

Options

  1. A8 10⁻⁷
  2. B4 10⁻⁵
  3. C8 10⁻⁴
  4. D500 10⁻⁷

Correct answer

C. 8 10⁻⁴

Step-by-step solution

aligned & = _ r ₀ & =2000 4 10⁻⁷ & =8 10⁻⁴ SI unit aligned

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