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प्रश्न
If the magnetizing field on a ferromagnetic material is increased, its permeability ______.
विकल्प
decreases
increases
remains unchanged
first decreases and then increases
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उत्तर
If the magnetizing field on a ferromagnetic material is increased, its permeability decreases.
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संबंधित प्रश्न
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A magnetising field of 360 Am−1 produces a magnetic flux density (B) = 0.6T in a ferromagnetic material. What is its permeability in Tm A−1?
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