Practice - Power (P)
Practice Questions
Test your understanding with targeted questions
Calculate the power consumed by a device with a supply voltage of 50 V and a current of 2 A.
💡 Hint: Use P = V × I to find power.
What is the unit of power?
💡 Hint: Remember, power is how quickly energy is used.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating power in a circuit?
💡 Hint: Think about how voltage and current work together.
True or False: Power is always measured in Wattts.
💡 Hint: Remember the units for measuring power.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
An electric motor operates at 240 V and consumes 3 A. Calculate the power and determine the energy consumed if it runs for 2 hours.
💡 Hint: Calculate power first, then energy using time.
A circuit has a voltage of 48 V and a total current of 4 A. What is the power? If the current is doubled, what is the new power?
💡 Hint: Find the initial power and apply the change in current to find the new power.
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Reference links
Supplementary resources to enhance your learning experience.