Multiple choice

The fluid capable of changing its properties by applying an electric field or a magnetic field is

  1. smart fluid

  2. magnetorheological fluid

  3. electrorheological fluid

  4. ferrofluid
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A Correct answer
Explanation

A smart fluid is a fluid whose properties (for example the viscosity) can be changed by applying an electric field or a magnetic field. The most developed smart fluids today are fluids whose viscosity increases when a magnetic field is applied.

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