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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the function of an electric motor?
💡 Hint: Think about how a fan operates.
Question 2
Easy
What does a transformer do?
💡 Hint: Consider how electricity is delivered to your home.
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 an electric motor convert?
- Chemical energy to mechanical energy
- Electrical energy to mechanical energy
- Nuclear energy to mechanical energy
💡 Hint: Consider the function of everyday appliances.
Question 2
True or False: Transformers can only step down voltage.
- True
- False
💡 Hint: Think about the role of transformers in power lines.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple electric motor circuit using a battery, wire, and a magnet. Explain the steps and the science behind why it works.
💡 Hint: Think about how the flow of electricity through the wire creates magnetic forces.
Question 2
Given a transformer with 200 primary turns and 100 secondary turns, and an input voltage of 240 volts, find the secondary voltage.
💡 Hint: Identify the relationship between the turns and voltage for transformers.
Challenge and get performance evaluation