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The principle of a potentiometer is that the potential dropped across a segment of a wire of uniform cross-section carrying a constant current is directly proportional to its length. The potentiometer is a simple device used to measure the electrical potentials (or compare the e.m.f of a cell).
A potentiometer with a resistive load, showing equivalent fixed resistors for clarity. The potentiometer can be used as a voltage divider to obtain a manually adjustable output voltage at the slider (wiper) from a fixed input voltage applied across the two ends of the potentiometer. This is their most common use.
While quite similar to normal potentiometers, digital potentiometers are constrained by current limit in the range of tens of milliamperes. Also, most digital potentiometers limit the voltage range on the two input terminals (of the resistor) to the digital supply range (e.g. 0–5 VDC), so additional circuitry may be required to replace a conventional potentiometer, (although digital ...
The skeleton potentiometer works like a regular circular potentiometer, but is stripped of its enclosure, shaft, and fixings. The full movement of a skeleton potentiometer is less than a single turn. The other type is the multi-turn potentiometer which moves the slider along the resistive track via a gearing arrangement. The gearing is such ...
Potentiometric solid state gas sensors have been generally classified into three broad groups.. Type I sensors have an electrolyte containing mobile ions of the chemical species in the gas phase that it is monitoring.
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The mom of two was disappointed her district didn't teach phonics as part of its literacy program. She switched her child to a Catholic school where the girl thrived after being taught phonics.
This particular asteroid is 2003 EH1, which takes 5.52 years to complete one orbit around the sun and measures 2 miles (3.2 kilometers) across. ... as well as two different comet groups and eight ...
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