MCQOPTIONS
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| 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*10-4 |
| B. | 6.42*10-9 |
| C. | 1.48*10-3 |
| D. | 9.48*10-12 |
| Answer» B. 6.42*10-9 | |