A barometer is an element which

A barometer is an element which

Right Answer is:

Senses optical input and delivers thermal output

SOLUTION

  • Bolometers are radiation power detectors.
  • They measure the power of the radiation through absorption and a thus resulting change of a measurable quantity.
  • The most commonly used halometers are resistive bolometers.
  • They use a change in resistance induced by absorption of radiation and measure the resulting current/voltage change. This change is proportional to the absorbed power.

The resultant temperature rise is then detected by measuring Me change in bolometer resistance by means of an auxiliary bridge circuit. 

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