MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
The optical power at 20 MHz is 246.2 μW. Determine dc drive current applied to device with carrier recombination lifetime for LED of 6ns.$# |
| A. | 3.48*10<sup>-4 </sup> |
| B. | 6.42*10<sup>-9</sup> |
| C. | 1.48*10<sup>-3</sup> |
| D. | 9.48*10<sup>-12</sup> |
| Answer» B. 6.42*10<sup>-9</sup> | |