Practice Reactive Power (q) (5.3) - Fundamentals of AC Circuits - Basics of Electrical Engineering
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Reactive Power (Q)

Practice - Reactive Power (Q)

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

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