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MMLU-Pro / 12088 / Suppose the effect of a magnetic field is to induce a magnetic dipole moment of…

Problem

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

question

Suppose the effect of a magnetic field is to induce a magnetic dipole moment of 10^-23 A m^2 per atom. Let there be 10^27 atoms/m^3. Find the surface current density at a surface making an angle of 45° withM.

category

engineering

options

  1. 6000 A m^-1
  2. 6500 A m^-1
  3. 7070 A m^-1
  4. 5000 A m^-1
  5. 8000 A m^-1
  6. 7500 A m^-1
  7. 4500 A m^-1
  8. 5500 A m^-1
  9. 9000 A m^-1
  10. 10000 A m^-1

src

stemez-Electromagnetics

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Source and history

upstream_id / Original problem ID
12088
task_id
def62bb8-6d20-539d-bae6-f4b39cf8b769
task_key
default--test--12088
task_revision_id
1
config / split
default / test

Official source

initial import