Practice - Voltage and Current Ratios
Practice Questions
Test your understanding with targeted questions
Define voltage ratio in transformers.
💡 Hint: Think about how the turns in windings affect voltage.
What does a step-down transformer do?
💡 Hint: Consider its turns ratio.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the voltage ratio in an ideal transformer?
💡 Hint: Focus on the direct relationship.
True or False: A step-up transformer increases the voltage across the load.
💡 Hint: Think of its purpose.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A transformer has a primary voltage of 480 V, turns ratio of 10:1 and is connected to a 10 A load. What is the secondary voltage and current?
💡 Hint: Use the turns ratio to find voltage, then apply power conservation.
If a transformer has a primary voltage of 300 V and yields a secondary voltage of 150 V, what is the turns ratio and how does it affect current?
💡 Hint: Relate the voltages to their corresponding currents using the ratios.
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Reference links
Supplementary resources to enhance your learning experience.