1.

Optoisolator is

A. A combination of LED and varactor in the same package
B. A combination of a varactor and photodiode in the same package
C. A combination of LED and a photodiode in the same package
D. A combination of photodiode and Schottky-Barrier Diode in the same package
Answer» D. A combination of photodiode and Schottky-Barrier Diode in the same package


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