MCQOPTIONS
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MCQOPTIONS
| 1. |
Determine the overall power conversion efficiency of lens coupled SLED having forward current of 20 mA and forward voltage of 2 V with 170 Wof optical power launched into multimode step index fiber. |
| A. | 1.256*10<sup>-5</sup> |
| B. | 4.417*10<sup>2</sup> |
| C. | 4.25*10<sup>-3</sup> |
| D. | 2.14*10<sup>-3</sup> |
| Answer» D. 2.14*10<sup>-3</sup> | |