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Compute Power Internally Generated Within a Double-Heterojunction LED If It

Question 9

Multiple Choice

Compute power internally generated within a double-heterojunction LED if it has internal quantum efficiency of 64.5 % and drive current of 40 mA with a peak emission wavelength of 0.82 ?m.


A) 0.09
B) 0.039
C) 0.04
D) 0.06

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