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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define work in your own words.
💡 Hint: Consider a simple example involving force and movement.
Question 2
Easy
What unit is used to measure power?
💡 Hint: Think about how power relates to doing work over time.
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 formula for calculating work?
- W = P * t
- W = F * d
- W = V * Q
💡 Hint: Think about how force and distance relate to work.
Question 2
Power is defined as the rate at which work is done. True or False?
- True
- False
💡 Hint: Think about the meaning behind what power represents.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A circuit has a voltage of 24 V and a total current flow of 3 A. Calculate both the power and work done if the current flows for 10 seconds.
💡 Hint: Calculate power first and then use it to find work.
Question 2
An electric heater operates at 1500 W for 3 hours. Determine the total energy consumed in kilowatt-hours and the cost if the energy price is $0.12 per kWh.
💡 Hint: Remember to convert watts to kilowatts first!
Challenge and get performance evaluation