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Investigate the variation of the resistance of a thermistor with different temperatures.
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Thermistor investigation Aim: For this experiment I am going to investigate the variation of the resistance of a thermistor with different temperatures. The resistance will be tested at approximately every 10 degrees, with a range from 80 C down to 30 C, and these results will be recorded. After recording the results, the experiment will be repeated at a total of 3 times, this is so we can get an average that should be correct and accurate. Scientific Knowledge: Thermistors are thermally sensitive resistors and have, according to type, a negative (NTC), or positive (PTC) resistance/temperature coefficient. A thermistor is a type of resistor whose resistance changes significantly when its temperature changes. A negative temperature coefficient (NTC) thermistor has a resistance that decreases with increase of temperature. A positive temperature coefficient (PTC) thermistor has a resistance that increases with increase of temperature. NTC thermistors are temperature dependant semiconductor resistors. When the temperature of a semiconductor is...
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