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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of a transformer?
π‘ Hint: Think about how electricity is transmitted over long distances.
Question 2
Easy
Name the two types of transformers.
π‘ Hint: Consider whether they increase or decrease voltage.
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 a transformer do?
- Increases voltage
- Decreases voltage
- Both increase and decrease voltage
π‘ Hint: Think of the different applications of transformers.
Question 2
True or False: Transformers can work with direct current (DC).
- True
- False
π‘ Hint: Recall the principles of electromagnetic induction.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A transformer has a primary voltage of 240V and 100 turns in the primary coil. If it is a step-down transformer with a secondary voltage of 120V, how many turns are in the secondary coil?
π‘ Hint: Apply the turns ratio concepts.
Question 2
If a given transformer's efficiency is 92% and the input power is 200W, what is the output power?
π‘ Hint: Use the efficiency formula to calculate output power.
Challenge and get performance evaluation