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Mechanism of Formation of P-N Junction

Which of the ...

Question

Which of the following is/are optoelectronic devices?

A

photodiodes

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B

solar cells

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C

light emitting diodes

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D

all of the above

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Solution

The correct option is D all of the above
P-n junctions are an integral part of several optoelectronic devices. These include photodiodes, solar cells light emitting diodes (LEDs) and semiconductor lasers.

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Mechanism of Formation of P-N Junction

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