Waveguide phototransistors utilize a ___________ waveguide layer under – McqOptions

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1.	Waveguide phototransistors utilize a ___________ waveguide layer under the _________ transistor region.
A.	Active, passive
B.	Passive, active
C.	Homo, hetero
D.	Hetero, homo
Answer» C. Homo, hetero

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