A solar cell is a:
forward biased Zener diode.
type of light-emitting diode.
diode working on the principle of photo-voltaic effect.
type of photo-diode with external biasing.
A solar cell is basically a p-n junction that generates an electromotive force (emf) when solar radiation falls on it. It works on the principle of the photovoltaic effect, converting optical radiation (light energy) directly into electricity. Unlike photodiodes, a solar cell operates without any external biasing.
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