The magnetic susceptibility of a material of a rod is 499. Permeability of vacuum is 4π ×…
Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism
The magnetic susceptibility of a material of a rod is 499. Permeability of vacuum is 4π × 10–7 H/m. Absolute permeability of the material of the rod in henry/meter is
- π × 10–4
- 4π × 10–4
- 3π × 10–4
- 2π × 10–4
Answer
(B) 4 π × 10 –4
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