Opto Electronics » Exercise – 1
21. GaAs LED’s emit radiation in the :
(a) Ultraviolet region
(b) Visible region
(c) Infrared region
(d) Invisible 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 - 115. LEDs fabricated from gallium arsenide emit radiation in the : (a) Visible range (b) Infrared region (c) Ultraviolet region (d) Ultrasonic region- Opto Electronics » Exercise - 122. LED’s are fabricated from : (a) Si (b) Ge (c) Si or Ge (d) GaAs
- 555555555520. For what value of does the transistor enter the saturation region? (a) 20 (b) 50 (c) 75 (d) 116
- 555555555541. In the conduction region, the dynamic resistance of the SCR is typically ________ to ________. (a) 0.01 , 0.1 (b) 1 , 10 (c) 50 , 100 (d) 500 , 10 k
- 555555555566. 3 × 101 + 7 × 100 is equal to ________. (a) 3.7 (b) 37 (c) 10 (d) 370