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What are three different uses for resistors?

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Quick Answer

Resistors have uses as heating elements, single-use fuses and resistive sensors. Heating elements that feature resistors include electric stoves, ovens, water heaters and coffee makers. Resistors are used in fuses to prevent damage to electronics.

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Full Answer

Resistor-based sensors include lie detectors and gas sensors, among others. These types of resistor sensors measure the change in resistance caused by liquids and gases. For example, the lie detector uses an individual's perspiration rate to measure changes in resistance. Gas sensors use resistors to measure the overall effect of a gas on the sensor's resistance. Resistors are also used in incandescent and halogen light bulbs, though these lights are not as energy efficient as nonresistor types such as LEDs.

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