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ECE · Q110

Electronic Devices And Circuits

Engineering and GATE · ECE · question 110

Q110

Which of the following materials is used in light-emitting diodes?

A.
Gallium arsenide sulphate
B.
Gallium arsenide phosphide
Answer
C.
Gallium chromate phosphide
D.
Gallium phosphide sulphate

Answer: Option B

Solution

Answer: Option B
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