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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the unit of power?
💡 Hint: Think of the number of joules used per second.
Question 2
Easy
If a device uses 100 joules of energy in 10 seconds, what is its power?
💡 Hint: Use P = E/t for your calculation.
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 power?
💡 Hint: Think about how quickly tasks are completed in terms of energy.
Question 2
What is the SI unit of power?
- Joule
- Watt
- Pascal
💡 Hint: What unit do we use for measuring energy transfer per unit time?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a generator outputs 5000 watts of power, how much energy will it produce in 1 hour?
💡 Hint: Convert one hour into seconds before performing the multiplication.
Question 2
A car engine performs work at a rate of 700 watts. If it operates for 2 hours, how much energy does it consume?
💡 Hint: Make sure to convert hours into seconds correctly.
Challenge and get performance evaluation