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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary advantage of using an auto-transformer?
💡 Hint: Think about the design and efficiency.
Question 2
Easy
Why is galvanic isolation important in electrical systems?
💡 Hint: Consider the implications of electrical faults.
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 primary disadvantage of auto-transformers?
- They are expensive
- They lack electrical isolation
- They are too large
💡 Hint: Consider the implications of faults in circuits.
Question 2
True or False: Auto-transformers are more efficient for larger voltage transformations.
- True
- False
💡 Hint: Think about the reasons behind the design choices of transformers.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An auto-transformer is rated for a small step-up to high voltage. If its primary voltage is 100V and the secondary tap is at 150V, what concerns might arise if the auto-transformer is used in residential applications?
💡 Hint: Think about the implications of a high voltage reaching low-voltage appliances.
Question 2
If an auto-transformer's primary aims to step down 480V to 240V, what effects would dramatically increasing the voltage to 720V have on its operation?
💡 Hint: Consider the relationship between voltage and magnetic properties of transformers.
Challenge and get performance evaluation