The optical power at 20 MHz is 246.2 μW. Determine dc drive current – 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

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