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Which of the following is true about a PIN diode?

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Which of the following is true about a PIN diode?

(a) it’s photosensitive in reverse bias

(b) it offers low resistance and low capacitance

(c) it has a decreased reversed breakdown voltage

(d) carrier storage is low

The question was asked in class test.

I need to ask this question from p-i-n Diode and its Characteristics topic in portion Semiconductor-Diode Characteristics of Electronic Devices & Circuits

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The correct option is (a) it’s photosensitive in reverse bias

The explanation: Due to increased depletion region, the covalent bonds break and increase the surface area for photosensitivity. This property is used in fields of light sensors, image scanners, artificial retina systems.

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