A Faraday cage does NOT protect against:

  1. static magnetic fields (e.g. from a bar magnet)
  2. external static electric fields
  3. lightning strikes
  4. radio interference
Answer

A) static magnetic fields (e.g. from a bar magnet)

A conducting cage doesn't screen steady magnetic fields. SLO P-11-E-06 · Understanding

Physics MCQ · More Electrostatics MCQs · Practise