Magnetism and electromagnetismQuestion 375 of 1506

How can a sensitive device be shielded from a magnetic field?

  1. Wrap it in a thick layer of rubber insulation
  2. Wrap it in a sealed plastic covering
  3. Surround it with a material that carries flux better
  4. Cover it with several layers of paint
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Correct answer: Surround it with a material that carries flux better

The field follows the better path around the object.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 3.1: Magnetic Fields

Practice magnetism and electromagnetism

Questions last reviewed: 18 October 2026