PH-2321
Energy resources
Physics · Secondary 4 · Medium · Energy resources
A city plans to cut carbon dioxide emissions from electricity generation. It is very sunny, but electricity use at night is high. Which plan best uses renewable energy while still meeting demand at night?
- Plan A: Use only a coal-fired power station all day and night.
- Plan B: Use solar panels in the day and a gas power station only at night or when needed.
- Plan C: Use solar in the day and diesel generators all night, even if not fully needed.
- Plan D: Use only gas power stations all day and night.
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