Physics · Transducers and Accelerometers
A capacitive accelerometer with linear displacement has a parallel plate configuration with a distance between plates equal to d for a certain acceleration. If the plate mounting is configured such that the inter-plate gap increases linearly with acceleration, what happens when the input acceleration is halved?
- 1The distance change is halved, and capacitance values vary non-linearly.✓
- 2The distance between plates is 2d and capacitance is doubled.
- 3The distance between plates is d/2 and capacitance is halved.
- 4The distance between plates is d/2 and capacitance is doubled.
Correct answer
The distance change is halved, and capacitance values vary non-linearly.
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