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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 reactive power and provide its unit of measurement.
💡 Hint: Think about its role in AC circuits.
Question 2
Easy
What is the power factor?
💡 Hint: Consider how well power is used in a circuit.
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
What is the unit of reactive power?
- Watts
- Volt-Ampere Reactive
- Kilowatts
💡 Hint: Think of its specific role in AC circuits.
Question 2
True or False: Reactive power performs useful work in a circuit.
- True
- False
💡 Hint: Consider what each power type does.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 3-phase motor consumes 5 kW of real power and has a power factor of 0.6. Calculate the reactive power and discuss the impact of a low PF on the circuit operation.
💡 Hint: Connect the concepts from the power triangle.
Question 2
In your own words, explain how reactive power management can influence the efficiency of power delivery in urban electrical systems.
💡 Hint: Think about what happens in both low and high demand scenarios.
Challenge and get performance evaluation