Passive vs. Active Strain Gauges Quiz
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Questions and Answers

Which type of strain gauge is a passive device?

  • A strain gauge with variable capacitance
  • A strain gauge with fixed resistance
  • A strain gauge that does not require an external power source (correct)
  • A strain gauge that requires an external power source

    • What is the main difference between passive and active strain gauges?

  • The shape and size of the gauge
  • The requirement of an external power source for operation (correct)
  • The material they are made of
  • The color-coding of the wires

    • How is mechanical displacement converted into a change in resistance in an active strain gauge?

  • By changing the material of the gauge
  • By applying pressure directly to the gauge
  • By using an external power source to excite the gauge (correct)
  • By altering the shape of the gauge

    • What is a key characteristic of active strain gauges?

    <p>They require an external power source to operate</p> Signup and view all the answers

    How are electrical signals converted into mechanical motion in actuation electric motors?

    <p>Through the interaction of magnetic fields</p> Signup and view all the answers

    What is a common application of actuation electric motors?

    <p>Robotics and automation systems</p> Signup and view all the answers

    What is a key advantage of actuation electric motors over traditional hydraulic systems?

    <p>They are more energy-efficient and environmentally friendly</p> Signup and view all the answers

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