MHT CET 2024 Physics question
Not in JEE Advanced syllabus
A magnetic intensity of 500 A/m, produces a magnetic flux Wb in an iron bar of cross-sectional area 0.4 cm. The magnetic permeability of the iron bar is
Answer: (B)
Solution
Area . The magnetic induction in the bar is T. The permeability is \dfrac{B}{H}$ =
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