4.6 - Power
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Practice Questions
Test your understanding with targeted questions
What is the SI unit of power?
💡 Hint: Think of how energy consumption is usually measured.
If a device uses 2000 Watts, how many kilowatts is it?
💡 Hint: Remember, 1 kW = 1000 W.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating power?
💡 Hint: Think about how we measure work and energy over time.
True or False: 1 kilowatt equals 1000 watts.
💡 Hint: Recall the relationship between kilowatts and watts.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A 1000 W electric heater runs for 6 hours. How much energy in kWh does it consume?
💡 Hint: Use the formula: Energy (kWh) = Power (kW) × Time (h).
If a generator produces 200 watts continuously, how much work can it perform in 5 hours?
💡 Hint: Calculate work using the formula: Work = Power × Time. Convert hours to seconds first.
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