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Draw the circuit diagram of an illuminated photodiode in reverse bias? How is photodiode used to measure light intensity?

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Draw a circuit diagram showing the biasing of a photodiode.

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Statement-I : A p-n junction with reverse bias can be used as a photodiode to measure light intensity. Statement-II : In a reverse bias condition the current in small but it is more sensitive to changes in incident light intensity.

Why are photodiodes used preferably in reverse bias condition?

Assertion : Photodiode current work in reverse bias. Reason : Change in diode increases with increase in intensity .