Practice Sensing Mechanisms In Mems (6.2) - Sensing and Actuation Mechanisms in MEMS

Practice: Sensing Mechanisms in MEMS

Lesson 6.2Sensing and Actuation Mechanisms in MEMS

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9 questions

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5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What principle does capacitive sensing rely on?
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Think about how capacitors store charge.
Question 2.
Name one application of piezoelectric sensors.
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Consider devices that respond to sound.
3Question 3.
Which sensing mechanism converts mechanical stress into an electric charge?
- Capacitive Sensing
- Piezoresistive Sensing
- Piezoelectric Sensing
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Think about materials that generate electricity when squeezed.
4Question 4.
True or False: Capacitive sensing is sensitive to environmental noise.
- True
- False
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Consider what external factors might influence a capacitor's functioning.
Question 5.
Design a MEMS device that incorporates at least three different sensing mechanisms. Discuss how each mechanism operates and their advantages in your design.
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Think about the advantages each sensing mechanism brings to your design.
Question 6.
Evaluate the impacts of environmental noise on capacitive sensors in real-world applications such as smartphones. Propose potential solutions to mitigate these impacts.
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Consider ways engineers deal with noise in electronic devices.

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