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A sample of cast iron exhibits a magneti...

A sample of cast iron exhibits a magnetic field B = 0.5 T , when intensity of magnetising field (H) is `10""(A)/(m)`.
(i) Find permeability of iron .
(ii) What would be the field in air for this value of H ?

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To solve the given problem step by step, we will address each part of the question separately. ### Part (i): Find the permeability of iron. 1. **Understand the relationship**: The magnetic field \( B \) in a material is related to the magnetizing field \( H \) and the permeability \( \mu \) of the material by the equation: \[ B = \mu H \] ...
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AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -ASSIGNMENT (SECTION D)
  1. A sample of cast iron exhibits a magnetic field B = 0.5 T , when inten...

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  2. A: If a bar magnet is cut into two equal halves then magnetic dipole m...

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  3. An iron nail near a bar magnet experiences

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  4. A: Every magnetic configuration magnetic field north pole and south po...

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  5. A: If different ends of two identical looking iron bars are brought c...

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  6. A: The magnetic field lines also represent the lines of force on a mov...

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  7. Magnetic field liness can be entirely confined within the core of a to...

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  8. A: A bar magnet does not exert a torque on itself due to its own field...

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  9. A: A system can have magnetic moments even though its net charge is ze...

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  10. A: The earth's magnetic field not only varies from point to point in s...

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  11. A : In earn may nave even reversea the direction of its field several ...

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  12. A: The earth's field departs from its dipole shape substantially at la...

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  13. A: Paramagnetic sample displays greater magnetisation (for the magneti...

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  14. A: Diamagnetism is almost indipendent of temperature. R: The induced...

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  15. A: If a toroid uses bismuth for its core, then the field in the core w...

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  16. A: Peramability of a ferromagnetic material is independent of the magn...

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  17. A: The maximum possible magnetization of a paramagnetic sample is of t...

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  18. A: Peramability of a ferromagnetic material is independent of the magn...

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  19. A charged particle is released from rest in a region of steady and uni...

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  20. A: magnetic field lines are continuous and form closed loops. R: Mag...

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  21. Assertion : A superconductor is a perfect diamagnetic substance. Rea...

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