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G4E10:Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?

G4E10G4E

Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G4E10 is To prevent discharge of the battery through the panel during times of low or no illumination.

The reason is to prevent discharge of the battery through the panel during times of low or no illumination. Connect the cause in the question to this direct result instead of memorizing the answer letter.

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