Q5 / 49 · NTA Abhyas (JEE Main) 2020 · Physics · Magnetic Properties of Matter

For protecting sensitive equipment from an external magnetic field, which among the following is the most effective solution?

  • A
    Wrap insulation around it
  • Correct answer
    B
    Place inside an iron can
  • C
    Surround with fine copper sheet
  • D
    Place inside an aluminum can

Solution

The iron can produce a magnetic screening for the equipment as most of the magnetic lines of force will flow through iron and very less number of lines will be present in the space around the equipment.

Hence, the correct answer is option: 'B'.

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