Photodiode can be used as:
Correct answer: D. All of above
- A. An automatic ON and OFF switch
- B. Detection of light
- C. Logic gates
- D. All of above
Explanation
Applications of photodiode:i. Detection of both visible and invisible radiationii. Automatic switchingiii. Logic circuitsiv. Optical communication equipmentSo, all of the above options are correct.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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