Practice - Electrical Power
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Practice Questions
Test your understanding with targeted questions
What is the formula for power in an electric circuit?
💡 Hint: Think about voltage and current.
Convert 1000 Watts into kilowatts.
💡 Hint: Remember, 1 kW = 1000 W.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of power?
💡 Hint: Consider the formula for power.
Power can be expressed as P = V × I.
💡 Hint: Think about the roles of voltage and current.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A circuit contains a resistor of 4 ohms and has a current of 5 A flowing through it. Calculate the power consumed in the circuit.
💡 Hint: Remember to square the current.
If a motor rated at 750 W runs for 3 hours, how much energy does it consume in kWh?
💡 Hint: Convert Watts-hour to kWh!
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Reference links
Supplementary resources to enhance your learning experience.