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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is electricity generation?
💡 Hint: Think about how power plants operate.
Question 2
Easy
Define photovoltaic cells.
💡 Hint: They are crucial for solar panels.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main process for generating electricity in power plants?
- Converting heat to sound
- Converting mechanical energy to electrical energy
- Converting chemical energy to thermal energy
💡 Hint: Think about the role of turbines.
Question 2
True or False: Photovoltaic cells only work on sunny days.
- True
- False
💡 Hint: Consider the efficiency of solar technology.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation