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Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation