Opto Electronics – 17

17. The color emitted by an LED depends mainly on :

(a) Type of material used
(b) Type of biasing applied
(c) Recombination rate of charge carriers
(d) Environmental conditions

Answer

Answer : (a)

Explanation

Explanation : No answer description available for this question. Let us discuss.

Subject Name : Electronics Engineering

Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT

Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant

Electronics & Communication Engineering Books

Sale

Highlight important details or key points; Summarize information in a clear and concise manner

₹ 333

Sale

Made Easy Editorial Board (Author); Marathi (Publication Language); 620 Pages - 01/01/2015 (Publication Date) - Made Easy Publications (Publisher)

₹ 320

Patil (Author); English (Publication Language)

Sale

Neamen, Donald (Author); English (Publication Language); 1351 Pages - 08/25/2006 (Publication Date) - McGraw Hill Education (Publisher)

₹ 2,500

Opto Electronics - 8
Opto Electronics » Exercise - 18. The power consumption of an LCD as compared to an LED is : (a) same (b) more (c) less (d) can’t be defined
Tags: opto, electronics, exercise, led, engineering
Opto Electronics - 2
Opto Electronics » Exercise - 12. An LED is made up of : (a) Phosphorescent material (b) Germanium (c) Silicon (d) Gallium arsenide
Tags: opto, electronics, exercise, led, material, engineering
Logic Gates - 4
Logic Gates » Exercise - 14. For the circuit shown, F is given by : & (a) (b) (c) (d)
Tags: exercise, electronics, engineering
Opto Electronics - 16
Opto Electronics » Exercise - 116. The switching time of LED is in the order of : (a) 1 second (b) 1 microsecond (c) 1 millisecond (d) 1 nanosecond
Tags: opto, electronics, exercise, led, engineering
DC Biasing BJTs - 25
555555555525. Calculate ETh for this network. (a) −12.12 V (b) 16.35 V (c) −3.65 V (d) 10 V
Tags: biasing, electronics, engineering

Related Posts