Practice - Power Triangle
Practice Questions
Test your understanding with targeted questions
Define real power.
💡 Hint: Think about what power actually does in the circuit.
What unit is reactive power measured in?
💡 Hint: Consider the role reactive power plays in AC circuits.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following represents real power?
💡 Hint: Think about what power actually does in a circuit.
True or False: Apparent power can be calculated as S = P + Q.
💡 Hint: Consider the relationship expressed in the Power Triangle.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A three-phase system has real power of 15 kW and reactive power of 9 kVAR. Calculate the apparent power and the power factor.
💡 Hint: Use the Pythagorean theorem for calculating S and then define PF.
An AC circuit has a power factor of 0.6. If the apparent power is 50 kVA, what is the value of the real power?
💡 Hint: Use the definition of power factor to relate apparent power and real power.
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Reference links
Supplementary resources to enhance your learning experience.