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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of power in physics?
💡 Hint: Think about speed in terms of work.
Question 2
Easy
Convert 2000 watts to kilowatts.
💡 Hint: Remember that 1 kW equals 1000 watts.
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 in physics?
- The amount of energy used
- The rate at which work is done
- The force applied
💡 Hint: Consider the speed of doing work.
Question 2
One watt is equal to how many joules per second?
- 0.5
- 1
- 1000
💡 Hint: Think about the basic relationship in watts.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A solar panel has a power rating of 250 W. If it operates for 5 hours, how much energy in kWh will it generate?
💡 Hint: Convert hours into the relevant energy unit for electricity.
Question 2
A tractor with 80 hp works for 3 hours. Calculate the work done in joules.
💡 Hint: Start by converting horsepower to watts first.
Challenge and get performance evaluation