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2 cards from this section. Quick, good the night before a test.
Define efficiency in your own words.
Think about the output relative to the input.
Which energy losses are common in systems?
Consider where energy might go instead of doing useful work.
What is the formula for calculating efficiency?
Think about how we measure useful energy in relation to total energy.
True or False: Efficiency can exceed 100%.
Remember the nature of energy loss.
A power plant generates 2000 Joules of energy but loses 300 Joules as waste. What is the efficiency of the power plant?
Subtract waste from total first, then apply the efficiency formula.
Explain the role of efficiency in renewable energy sources and why maximizing it is crucial.
Think about energy output relative to energy input in renewable technologies.
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