The magnetic susceptibility of a material of a rod is 499 . Permeability in vacuum is 4 π × 10 - 7…

The magnetic susceptibility of a material of a rod is 499. Permeability in vacuum is 4π×10-7Hm-1. Absolute permeability of the material of the rod is
  1. 4π×10-4 Hm-1
  2. 2π×10-4 Hm-1
  3. 3π×10-4 Hm-1
  4. π×10-4 Hm-1

Solution

μ=μ01+xm

=4π×10-7×500

=2π×10-4 Hm-1

Asked in: JEE Main 2021 (20 Jul Shift 2)

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