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Questions and Answers
Which type of strain gauge is a passive device?
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?
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?
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?
What is a key characteristic of active strain gauges?
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How are electrical signals converted into mechanical motion in actuation electric motors?
How are electrical signals converted into mechanical motion in actuation electric motors?
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What is a common application of actuation electric motors?
What is a common application of actuation electric motors?
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What is a key advantage of actuation electric motors over traditional hydraulic systems?
What is a key advantage of actuation electric motors over traditional hydraulic systems?
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