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What is the effect of placing a ferromagnetic material in a magnetic field? (202

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Question: What is the effect of placing a ferromagnetic material in a magnetic field? (2023)

Options:

  1. It becomes a magnet
  2. It repels the magnetic field
  3. It has no effect
  4. It weakens the magnetic field

Correct Answer: It becomes a magnet

Exam Year: 2023

Solution: 

When a ferromagnetic material is placed in a magnetic field, it becomes magnetized and can retain its magnetism even after the external field is removed.

What is the effect of placing a ferromagnetic material in a magnetic field? (202

Practice Questions

Q1
What is the effect of placing a ferromagnetic material in a magnetic field? (2023)
  1. It becomes a magnet
  2. It repels the magnetic field
  3. It has no effect
  4. It weakens the magnetic field

Questions & Step-by-Step Solutions

What is the effect of placing a ferromagnetic material in a magnetic field? (2023)
  • Step 1: Understand what a ferromagnetic material is. These are materials like iron, nickel, and cobalt that can be magnetized.
  • Step 2: Know what a magnetic field is. It is an area around a magnet where magnetic forces can be felt.
  • Step 3: When a ferromagnetic material is placed in a magnetic field, the magnetic field influences the material's atoms.
  • Step 4: The atoms in the ferromagnetic material start to align with the direction of the magnetic field.
  • Step 5: As more atoms align, the material itself becomes magnetized, meaning it starts to act like a magnet.
  • Step 6: After the external magnetic field is removed, some of the atoms remain aligned, so the material retains its magnetism.
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