Practice Current Relations (balanced System) (7.3.2) - Fundamentals of AC Circuits
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Current Relations (Balanced System)

Practice - Current Relations (Balanced System) - 7.3.2

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

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

💡 Hint: Think about the geometry of the connections.

Question 2 Easy

In a Delta connection, how is the phase current related to the line current?

💡 Hint: Consider the arrangement of windings.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does VL equal in a balanced Star connection?

Vph
√3 * Vph
3 * Vph

💡 Hint: Think back on the voltage relationships.

Question 2

True or False: In a Delta connection, phase voltages are equal to line voltages.

True
False

💡 Hint: Visualize the Delta configuration to recall.

Get performance evaluation

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A three-phase motor system operates at a line voltage of 400V and draws a line current of 10A with a power factor of 0.9. Calculate the total real power consumed by the system.

💡 Hint: Use the power equation considering the number of phases.

Challenge 2 Hard

In a balanced Delta load with a line voltage of 230V, find the total current drawn if the phase current is 5A. What is the apparent power in VA?

💡 Hint: Remember the relationships between phase and line voltages and currents.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.