What statement is true concerning the operation of continuous-level liquid level detectors?
Continuous-level detectors produce a digital signal inversely proportional to the liquid level in the tank.
Continuous-level detectors produce a digital signal proportional to the liquid level in the tank.
Continuous-level detectors produce an analog signal inversely proportional to the liquid level in the tank.
Continuous-level detectors produce an analog signal proportional to the liquid level in the tank.
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