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← ScienceWhich mechanism limits the current produced when photons strike photovoltaic module's semiconductor junction?
A)Increased temperature elevating internal resistance
B)Electron-hole recombination depleting charge carriers✓
C)Photon reflection reducing incident energy
D)Series resistance causing voltage reduction
💡 Explanation
When photons strike photovoltaic material, electron-hole pairs are created; however, electron-hole recombination acts by neutralizing these charge carriers and thus decreases overall current production. Therefore, the electron-hole recombination dominates, rather than other loss mechanisms like reflection, increased resistance due to temperature, or increased resistance between connecting wires.
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