Determine the overall power conversion efficiency of lens coupled SLE – McqOptions

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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 μWof optical power launched into multimode step index fiber.
A.	1.256*10-5
B.	4.417*102
C.	4.25*10-3
D.	2.14*10-3
Answer» D. 2.14*10-3

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