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The current and voltage across the thermistor depend on the particular circuit configuration. As a simple example, if the voltage across the thermistor is held fixed, then by Ohm's law we have = /, and the equilibrium equation can be solved for the ambient temperature as a function of the measured resistance of the thermistor:
The integrated circuit sensor may come in a variety of interfaces — analogue or digital; for digital, these could be Serial Peripheral Interface, SMBus/I 2 C or 1-Wire.. In OpenBSD, many of the I 2 C temperature sensors from the below list have been supported and are accessible through the generalised hardware sensors framework [3] since OpenBSD 3.9 (2006), [4] [5]: §6.1 which has also ...
Another type of thermal switch is a PTC (Positive Temperature Coefficient) thermistor; these thermistors have a "cutting off" temperature at which the resistance suddenly rises rapidly, limiting the current through the circuit. When used in conjunction with a thermistor relay, the PTC will switch off an electrical system at a desired temperature.
The heat output of any electrical heating element can be regulated by regulating the electrical power input. PTC heating elements also can be regulated indirectly. For example, a PTC heating element with a sharp change in resistance at a particular temperature can be fitted with a constant voltage source and a variable-speed fan.
“A thermistor is a type of resistor with resistance inversly proportional to its temperature.” A physical quantity y is said to be inversely proportional to a quantity x if the following equation holds:y=A/x where A is a quantity that does not depend on x. What you wanted to say is that the function R(T) is monotonically decreasing.
By Bo Erickson. WASHINGTON (Reuters) -The U.S. House Ethics Committee has voted to release its report on former Representative Matt Gaetz, a source familiar with the committee said on Wednesday ...
Electromechanical thermostats use resistance elements as anticipators. Most electronic thermostats use either thermistor devices or integrated logic elements for the anticipation function. In some electronic thermostats, the thermistor anticipator may be located outdoors, providing a variable anticipation depending on the outdoor temperature.
(Reuters) -Apple is closing in on a historic $4 trillion stock market valuation, powered by investors cheering progress in the company's long-awaited AI enhancements to rejuvenate sluggish iPhone ...