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Fun, engaging games to boost memory, math fluency, typing speed, and English skillsโperfect 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 does Oersted's experiment demonstrate?
๐ก Hint: Think of the relationship between electricity and magnetism.
Question 2
Easy
Write down the formula for the magnetic field around a long straight wire.
๐ก Hint: It involves ฮผ0, current, and distance from the wire.
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 phenomenon did Oersted discover?
- Electric currents create sound
- Electric currents create magnetic fields
- Electric currents increase resistance
๐ก Hint: Remember what influences compass needles.
Question 2
Is it true that magnetic monopoles exist?
- True
- False
๐ก Hint: Think about how magnets always come in pairs.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the expected magnetic field strength at a distance of 0.1m from a long straight wire carrying a current of 5A.
๐ก Hint: Keep track of your units and simplify carefully!
Question 2
Discuss how Earth's magnetic field aids in animal navigation and relate it to concepts studied.
๐ก Hint: Consider the behavior of migratory birds!
Challenge and get performance evaluation