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Find the internal field when the applied field is 12 units, molecular field constant is 0.1 units and the magnetization is 74 units.
  • a)
    86
  • b)
    62
  • c)
    752
  • d)
    19.4
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Find the internal field when the applied field is 12 units, molecular ...
Answer: d
Explanation: From Curie law, the internal field of a magnetic material is given by H = Ho + χ M, where χ is the molecular field constant. Put χ = 0.1, M = 74 and Ho = 12, we get H = 12 + (0.1)74 = 19.4 units.
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Most Upvoted Answer
Find the internal field when the applied field is 12 units, molecular ...
To find the internal field, we can use the equation:

Internal Field = Applied Field - Molecular Field Constant * Magnetization

Given:
Applied Field = 12 units
Molecular Field Constant = 0.1 units
Magnetization = 74 units

Substituting the values into the equation, we have:

Internal Field = 12 - 0.1 * 74

Calculating the multiplication first, we get:

Internal Field = 12 - 7.4

Finally, subtracting 7.4 from 12, we get:

Internal Field = 4.6 units

So, the correct answer is option 'D' (19.4).
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Find the internal field when the applied field is 12 units, molecular field constant is 0.1 units and the magnetization is 74 units.a)86b)62c)752d)19.4Correct answer is option 'D'. Can you explain this answer?
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