Exam-style question
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Define magnetic flux density in terms of the force experienced by a current-carrying conductor in a magnetic field.
Model answer
What a good answer should say
- Magnetic flux density (B) is defined as the force (F) per unit length (L) of a current-carrying conductor (I) placed in a magnetic field, expressed as B = F / (I × L).
Explanation
Why this works
This answer is strong because it clearly states the definition of magnetic flux density and includes the relationship between force, current, and length. The question tests the understanding of the concept and its application in magnetic fields.
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