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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
Who discovered that electric current affects a magnetic compass needle?
💡 Hint: Look for the physicist known for electromagnetism.
Question 2
Easy
What do iron filings demonstrate when sprinkled near a current-carrying wire?
💡 Hint: Think about visual patterns created around something.
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 did Oersted demonstrate about electric currents?
- They have no effect
- They create a magnetic field
- They only heat wires
💡 Hint: Recall the compass needle experiment.
Question 2
True or False: A magnetic field can exist without current.
- True
- False
💡 Hint: Consider permanent magnets.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain how Oersted's discovery paved the way for modern technologies. Provide at least three examples.
💡 Hint: Think about the devices and technologies you use today that rely on electromagnetism.
Question 2
Demonstrate through calculations how increasing current in a coil can alter the magnetic field. Given a coil with 10 turns, what is the change in the magnetic field if the current rises from 2A to 4A?
💡 Hint: Consider the relationship between current and magnetic field strength.
Challenge and get performance evaluation