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MMLU-Pro / 12163 / Find the magnetic energy associated with unit length of an infinitely long…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Find the magnetic energy associated with unit length of an infinitely long straight wire of radius a carrying a current I.

category

engineering

options

  1. finite
  2. Constant for all wire sizes and currents
  3. Proportional to the inverse square of the current I
  4. infinite
  5. Proportional to the radius a
  6. Dependent on the material of the conductor
  7. Inversely proportional to the radius a
  8. zero
  9. dependent on the size of the conductor
  10. Proportional to the square of the current I

src

stemez-Electromagnetics

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Source and history

Official source

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