A planar LED is fabricated from GaAs is having a optical power emitted is 0.018% of optical power generated internally which is 0.018% of optical power generated internally which is 0.6 P. Determine external power efficiency.
A)0.18%
B)0.32%
C)0.65%
D)0.9%

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The Answer of A planar LED is fabricated from GaAs is having a optical power emitted is 0.018% of optical power generated internally which is 0.018% of optical power generated internally which is 0.6 P. Determine external power efficiency.
A)0.18%
B)0.32%
C)0.65%
D)0.9%

A Planar LED Is Fabricated from GaAs Is Having a Optical