Question: A capacitive-based sensor is used to measure the liquid level in a tank. Assuming the dielectric constant of the liquid is k times of

A capacitive-based sensor is used to measure the liquid level in a tank. Assuming the dielectric constant of

A capacitive-based sensor is used to measure the liquid level in a tank. Assuming the dielectric constant of the liquid is k times of air, surface area of the sensor is A, and the distance between surfaces is D. Determine the capacitance of the sensor as shown in the figure below. E CAPACITANCE metal shell measured material inner electrode outer electrode Tho

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