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In this investigation I want to look into how a thermistor works, then experiment to find how temperature change affects its resistance. The main aim of this investigation is to design and build, using a thermistor, a temperature sensing circuit.
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Thermistor Investigation Aim: In this investigation I want to look into how a thermistor works, then experiment to find how temperature change affects its resistance. The main aim of this investigation is to design and build, using a thermistor, a temperature sensing circuit. This will be for use in a computer system. Because of the recent advances in the speeds of PCs there has been a big problem in to deal with the extra heat that their faster CPUs (central processing units) produce. Most manufactures have simply increased the surface area of heat sinks used and fitted larger and more powerful fans but even these are sometimes not enough. If the same air is being forced through a heat sink over and over again it becomes quite warm and unable to remove more heat from the CPU so its temperature will rise. To solve this problem case fans are needed to refresh the...
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