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1. |
Which of the following is not the characteristics of Indium arsenide photovoltaic detector used in infrared analyzers for hydrocarbons?$ |
A. | It operates at ambient temperature |
B. | Has maximum detectivity at 3.4µm |
C. | Sensitivity increases at longer wavelength |
D. | It has no response to radiation of wavelength greater than 4µm |
Answer» D. It has no response to radiation of wavelength greater than 4¬¨¬®¬¨¬µm | |