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MHT CET2016PhysicsMagnetic Properties of Matter

An iron rod is placed parallel to magnetic field of intensity 2000 A m . The magnetic flux through the rod is 6 × 10 - 4 Wb and its cross-sectional area is 3 c m 2 . The magnetic permeability of the rod in W b A - 1 m - 1 is

Options

  1. A10 - 1
  2. B10 - 2
  3. C10 - 3
  4. D10 - 4

Correct answer

C. 10 - 3

Step-by-step solution

μ = ϕ A × 1 H = 6 × 10 − 4 3 × 10 − 4 × 1 2 × 10 3 = 10 − 3   Wb   A - 1 m - 1

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