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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula to calculate line voltage from phase voltage in a star connection?
💡 Hint: Think about the relationship between line and phase voltages in stars.
Question 2
Easy
In a balanced star configuration, what is the relationship between IL and Iph?
💡 Hint: Consider the current flow in star connections.
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 line voltage in a star connection if the phase voltage is 400V?
- 230V
- 400V
- 692.82V
💡 Hint: Remember to apply the star connection formula.
Question 2
True or False: The phase current in a delta connection is greater than the line current.
- True
- False
💡 Hint: Remember the relation between line and phase currents in delta configurations.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A balanced star-connected load has a phase voltage of 480V and a phase current of 15A. Calculate the line voltage and total power consumed.
💡 Hint: Apply both the voltage and power formulas.
Question 2
In a delta connection, the line current is 30A. Determine the phase current and if the phase voltage is 440V, find the line voltage.
💡 Hint: Use the current relation formula and remember the voltage relationship in delta.
Challenge and get performance evaluation