Which of these definitions is a description of a
photoconductor?

Question

Answer

A semiconductor that changes resistance when exposed to light

Answer

An intrinsic semiconductor between a p-type semiconductor and an n-type semiconductor that can be exposed to light

Answer

An n-type semiconductor layer on top of a p-type semiconductor that can be exposed to light

Answer

An insulating material between a p-type semiconductor and an n-type semiconductor that can be exposed to light

Answer

A MOSFET that turns on when exposed to light

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