What is photoconductivity?
What happens to the conductivity of a photoconductive material when light shines on it?
What is the most common configuration of an optoisolator or optocoupler?
What is the photovoltaic effect?
Which describes an optical shaft encoder?
Which of these materials is affected the most by photoconductivity?
What is a solid state relay?
Why are optoisolators often used in conjunction with solid state circuits when switching 120VAC?
What is the efficiency of a photovoltaic cell?
What is the most common type of photovoltaic cell used for electrical power generation?
What is the approximate open-circuit voltage produced by a fully-illuminated silicon photovoltaic cell?
What absorbs the energy from light falling on a photovoltaic cell?
What is a liquid crystal display (LCD)?
Which of the following is true of LCD displays?