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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the motor effect?
💡 Hint: Think about how electricity interacts with magnets.
Question 2
Easy
Which rule helps you determine the direction of force in a motor?
💡 Hint: Remember the fingers of your left hand represent different elements: thumb for force, etc.
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 motor effect?
- A force on a current-carrying conductor in a magnetic field
- A force on stationary charges
- A property of magnets
💡 Hint: Remember the definition related to both current and magnetic fields.
Question 2
True or False: The commutator in a DC motor is used to keep the direction of current constant.
- True
- False
💡 Hint: Think about the mechanics of how a motor spins.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A teacher demonstrates a simple DC motor. If the rotor turns at a rate of 5 revolutions per second with a current of 1A passing through the coil, what would happen if the current were increased to 2A while keeping everything else constant?
💡 Hint: Think about the effect of current on magnetic strength.
Question 2
Design a simple experiment to demonstrate the motor effect using household items. List the materials and the expected outcome.
💡 Hint: What simple connections can you create to observe force in action?
Challenge and get performance evaluation