Practice - Units of Power
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Practice Questions
Test your understanding with targeted questions
What is the unit of power?
💡 Hint: It's named after a famous inventor.
How do you calculate power using voltage and current?
💡 Hint: Think about the rate of work being done.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating power in an electrical circuit?
💡 Hint: Remember, it's about how fast energy is used.
True or False: One Watt is the equivalent of one Joule per minute.
💡 Hint: Think about time - seconds matter here.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You have a device that operates at 240 V and draws 10 A. Calculate the power it uses and explain how you derived your answer.
💡 Hint: Remember the basic power formula.
A power line rated at 100 kV transmits 2000 A. Calculate the power loss if the resistance of the line is 0.5 Ω per km and it transmits power over 10 km.
💡 Hint: Consider how resistance affects power loss.
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Reference links
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