Practice - Energy and Power in Technology
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Practice Questions
Test your understanding with targeted questions
What is electricity generation?
💡 Hint: Think about how power plants operate.
Define photovoltaic cells.
💡 Hint: They are crucial for solar panels.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main process for generating electricity in power plants?
💡 Hint: Think about the role of turbines.
True or False: Photovoltaic cells only work on sunny days.
💡 Hint: Consider the efficiency of solar technology.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A solar panel has a peak output of 300 watts under full sun conditions. If it operates at 80% efficiency due to cloud cover, what is its effective power output?
💡 Hint: Calculate efficiency as a percentage.
If a smartphone battery has a capacity of 3000 mAh and operates at 1A, how long will it last before needing a recharge?
💡 Hint: Convert milliamperes to amperes to simplify the calculation.
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