5555555555
54. Determine what maximum dissipation will be allowed for a 70-W silicon transistor (rated at 25ºC) if derating is required above 25ºC by a derating factor of 0.6 W/ºC at a case temperature of 100º.
(a) 25 W
(b) 30 W
(c) 35 W
(d) 40 W
| 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
5555555555 48. Determine VB1. (a) 0 V (b) 0.7 V (c) 9.3 V (d) 10.7 V- 555555555559. What is the maximum temperature rating for silicon power transistors? (a) 50º to 80º (b) 100º to 110º (c) 150º to 200º (d) 250º to 300º
- 555555555535. The Q-point is at cutoff for class ________ operation. (a) A (b) B (c) C (d) AB
- 555555555518. Class D operation can achieve power efficiency of over ________. (a) 90% (b) 78.5% (c) 50% (d) 25%
- 555555555541. In what decade was the first transistor created? (a) 1930s (b) 1940s (c) 1950s (d) 1960s