Soft iron strip placed across opposite poles of magnets : Magnetic keeper :: Dropping bar magnets repeatedly…

Soft iron strip placed across opposite poles of magnets : Magnetic keeper :: Dropping bar magnets repeatedly onto a hard concrete floor : ___
  1. Demagnetization
  2. Induction
  3. Magnetization
  4. Electromagnetism

Solution

Keepers preserve magnetic strength during storage, while rough handling like dropping or hammering disrupts magnetic domains, causing demagnetization.

Asked in: Homi Bhabha Practice

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