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NEET 2020

NEET 2020 Physics question on Magnetism and Moving Charges

An iron rod of susceptibility 599 is subjected to a magnetising field of 1200 A m–1. The permeability of the material of the rod is : (μ0=4π×10−7 T m A−1)(\mu_0 = 4\pi \times 10^{-7}\,\text{T m A}^{-1})
  1. A.
    8.0×10−5 T m A−18.0 \times 10^{-5}\,\text{T m A}^{-1}
  2. B.
    2.4×10−5 T m A−12.4 \times 10^{-5}\,\text{T m A}^{-1}
  3. C.
    2.4×10−7 T m A−12.4 \times 10^{-7}\,\text{T m A}^{-1}
  4. D.
    2.4×10−4 T m A−12.4 \times 10^{-4}\,\text{T m A}^{-1}
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Correct option: D

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