Opto Electronics » Exercise – 1
15. LEDs fabricated from gallium arsenide emit radiation in the :
(a) Visible range
(b) Infrared region
(c) Ultraviolet region
(d) Ultrasonic region
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
GATE 2023 Total Info ENGG DIPLOMA UGC NET Total Info IES 2023 Total Info PSUs 2022 Total Info CSIR UGC NET Total Info JAM 2023 Total Info M TECH 2023 Total Info RAILWAY 2022 Total Info
Related Posts
Opto Electronics » Exercise - 121. GaAs LED’s emit radiation in the : (a) Ultraviolet region (b) Visible region (c) Infrared region (d) Invisible region- Opto Electronics » Exercise - 16. A laser diode can be fabricated using : (a) Germanium (b) Silicon (c) Gallium arsenide (d) Gallium phosphide
- Opto Electronics » Exercise - 12. An LED is made up of : (a) Phosphorescent material (b) Germanium (c) Silicon (d) Gallium arsenide
- Opto Electronics » Exercise - 122. LED’s are fabricated from : (a) Si (b) Ge (c) Si or Ge (d) GaAs
- 5555555555230. How many inputs will a decimal-to-BCD encoder have? (a) 4 (b) 8 (c) 10 (d) 16