Ferrofluids react to:

  1. light only
  2. sound waves only
  3. the poles of a magnet (magnetic fields)
  4. electric charge only
Answer

C) the poles of a magnet (magnetic fields)

They are magnetic fluids. SLO P-09-E-09 · Understanding

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise