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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define real power.
💡 Hint: Think about what power actually does in the circuit.
Question 2
Easy
What unit is reactive power measured in?
💡 Hint: Consider the role reactive power plays in AC circuits.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which of the following represents real power?
- P
- Q
- S
💡 Hint: Think about what power actually does in a circuit.
Question 2
True or False: Apparent power can be calculated as S = P + Q.
- True
- False
💡 Hint: Consider the relationship expressed in the Power Triangle.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation