When light strikes the p-type semiconductor in a pn junction solar cell,
A)only free electrons are created.
B)only positive holes are created.
C)both electrons and holes are created.
D)positive protons are created.
E)None of these is correct.

Question

Quizplus · Accepted Answer

When light strikes the p-type semiconductor, an electron is excited from the valence band to the conduction band, leaving behind a hole. This creates both free electrons and positive holes.

When Light Strikes the P-Type Semiconductor in a Pn Junction