Since it is fairly easy to tell when the temperature is high or low, why do we need thermometers, thermistors, and other devices for measuring temperature?

1 Answer
Shantanu Dash
Jul 2, 2017

For precise and accurate measurement of temperature.

Explanation:

Since various applications in life involve knowing the exact temperature, so we need these equipments.

For example:

  • If the body temperature varies by only some degrees it can make a big difference on our health.
  • In various situations such as nuclear power plants, factories,etc., slight changes in temperature make a lot of difference.
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