Exam-style question
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What is the primary function of a photodiode?.
- A.To amplify electrical signals.
- B.To convert light into electrical current.
- C.To store electrical energy.
- D.To regulate voltage.
Model answer
What a good answer should say
- To convert light into electrical current.
Explanation
Why this works
The primary function of a photodiode is to convert light energy into electrical energy by generating a photocurrent when exposed to light.
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