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Fascinating Ferrofluid
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Fascinating Ferrofluid

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Questions and Answers

What is ferrofluid attracted to?

  • Center of a magnet
  • Opposite poles of a magnet
  • Poles of a magnet (correct)
  • Magnetic field

    • What prevents clumping of magnetic particles in ferrofluid?

  • Surfactant coating (correct)
  • Particle size
  • Temperature control
  • Magnetic field

    • What distinguishes ferrofluids from magnetorheological fluids (MR fluids)?

  • Surfactant type
  • Carrier fluid
  • Magnetic properties
  • Size of particles (correct)

    • How are ferrofluids classified in terms of magnetization?

    <p>Superparamagnets</p> Signup and view all the answers

    Which force prevents magnetic clumping or agglomeration in ferrofluids?

    <p>Van der Waals force</p> Signup and view all the answers

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