Question: Q. 2. Mention the important considerations required while fabricating a
R [Delhi I, II, III 2013]
Solution:
Ans. (i) It is a heavily doped
(ii) The reverse breakdown voltages of LEDs are very low.
(iii) The semiconductor used for fabrication of visible LEDs must at least have a band gap of
(Any two)
The order of band gap is about
[CBSE Marking Scheme 2013]
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