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Questions and Answers
What causes the overlap area to decrease in a variable area capacitive displacement sensor?
What causes the overlap area to decrease in a variable area capacitive displacement sensor?
Displacement x
What is the operation principle of a variable dielectric capacitive displacement sensor?
What is the operation principle of a variable dielectric capacitive displacement sensor?
Variation in the effective area between plates of a flat-plate capacitor
Give an example application of a capacitive sensor.
Give an example application of a capacitive sensor.
Liquid level measurement
What is the dielectric constant change in a capacitive sensor for liquid level measurement due to?
What is the dielectric constant change in a capacitive sensor for liquid level measurement due to?
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What do capacitive proximity sensors react to in order to sense objects?
What do capacitive proximity sensors react to in order to sense objects?
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What is capacitance?
What is capacitance?
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What are the two capacitor models mentioned in the text?
What are the two capacitor models mentioned in the text?
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What physical parameters can change the capacitance of a capacitor?
What physical parameters can change the capacitance of a capacitor?
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How is the capacitance of a parallel plate capacitor calculated?
How is the capacitance of a parallel plate capacitor calculated?
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What type of relation exists between the capacitance and displacement in a variable distance capacitive displacement sensor?
What type of relation exists between the capacitance and displacement in a variable distance capacitive displacement sensor?
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What is the displacement x related to in a variable dielectric capacitive displacement sensor?
What is the displacement x related to in a variable dielectric capacitive displacement sensor?
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In a variable area capacitive displacement sensor, what causes the overlap area to decrease?
In a variable area capacitive displacement sensor, what causes the overlap area to decrease?
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What is the dielectric constant of air assumed to be in a capacitive level sensor?
What is the dielectric constant of air assumed to be in a capacitive level sensor?
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In a capacitive pressure sensor, what causes the average separation of the plates to reduce?
In a capacitive pressure sensor, what causes the average separation of the plates to reduce?
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What do capacitive proximity sensors detect?
What do capacitive proximity sensors detect?
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What physical effect can cause a change in capacitance in a capacitive sensing element?
What physical effect can cause a change in capacitance in a capacitive sensing element?
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Which type of sensor is illustrated in Figure 2.8 in the text?
Which type of sensor is illustrated in Figure 2.8 in the text?
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In a parallel plate capacitor, what can be changed to alter its capacitance?
In a parallel plate capacitor, what can be changed to alter its capacitance?
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What causes the capacitance of a sensor to have a non-linear relation with displacement?
What causes the capacitance of a sensor to have a non-linear relation with displacement?
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What is the simplest capacitor made of, as described in the text?
What is the simplest capacitor made of, as described in the text?
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