Question

Explore and write: Do digital thermometer have mercury? If not what is present in them which help us to read the temperature?
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Answer 1

Answer:

no, digital thermometers do not have mercury. Digital thermometers contain a small computing mechanism and a resistor. A change in temperature causes the sensor to notice a change in resistance. The computer converts the difference in resistance into a difference in temperature and offers a digital readout in degrees

Explanation:

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