Question

state the basic process invloved in the generation of e.m.f in a solar cell when light fall on it

Answer 1

solar cell is made up of silica. when sunlight falls on it , the electrons on the upper surface start moving downwards thus producing current in opposite direction

Answer 2

Generation of electron-hole pairs

Explanation:

A solar cell is made up of p type and n type semiconductors. When sunlight is incident on solar cell, electron-hole pairs are generated. These pairs separated because of depletion region's electric field. Electrons and holes get accumulated at n and p side and emf is generated.

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