Practice Voltage Relations (balanced System) (7.3.1) - Fundamentals of AC Circuits
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Voltage Relations (Balanced System)

Practice - Voltage Relations (Balanced System) - 7.3.1

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the relationship between phase and line voltage in a Star connection?

💡 Hint: Think about the geometry of a triangle.

Question 2 Easy

In a balanced Delta configuration, how do line and phase voltages compare?

💡 Hint: Recall how the connections are made.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the voltage relationship in a balanced Star connection?

VL = Vph
VL = 2 * Vph
VL = √3 * Vph

💡 Hint: Think about how the geometry works in a three-phase system.

Question 2

In a Delta configuration, which of the following statements is true?

True
False

💡 Hint: Consider how each phase is connected.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a balanced three-phase Star-connected system where the phase voltage is 400V, and the phase current is 20A. Calculate the total real power consumed by the system if the power factor is 0.9.

💡 Hint: Use the formula for real power in a three-phase system.

Challenge 2 Hard

In a Delta-connected three-phase system with a line voltage of 440V and each load being 10Ω, find the total current drawn from the supply.

💡 Hint: Remember the relationship between phase and line current in a Delta configuration.

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Reference links

Supplementary resources to enhance your learning experience.