Physics · Sensors and Transducers
In a capacitive proximity sensor, which factor most critically determines its ability to detect a thin non-metallic target such as a plastic film?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The applied supply voltage to the sensor
- 2The dielectric constant of the target material relative to air✓
- 3The oscillator frequency of the sensor's internal circuit
- 4The electrical conductivity of the target surface
Correct answer
The dielectric constant of the target material relative to air
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