state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Physics Magnetism and Maxwell's Equations Magnets
An iron rod is placed parallel to the magnetic field of intensity 2000 A/m. The magnetic flux through the rod is \(6 \times 10^{-4} Wb\) and its cross-sectional area is 3 cm2. The magnetic permeability of the rod in \(\dfrac{Wb}{A- m}\) is:
1
\(10^{-1}\)
2
\(10^{-2}\)
3
\(10^{-3}\)
4
\(10^{-4}\)
5
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